Eliminate CMake FindPackageHandleStandardArgs warnings.

CMake complains that the package name does not match when the case
differs, e.g.:
```
CMake Warning (dev) at /usr/share/cmake-3.18/Modules/FindPackageHandleStandardArgs.cmake:273 (message):
  The package name passed to `find_package_handle_standard_args` (UMFPACK)
  does not match the name of the calling package (Umfpack).  This can lead to
  problems in calling code that expects `find_package` result variables
  (e.g., `_FOUND`) to follow a certain pattern.
Call Stack (most recent call first):
  cmake/FindUmfpack.cmake:50 (find_package_handle_standard_args)
  bench/spbench/CMakeLists.txt:24 (find_package)
This warning is for project developers.  Use -Wno-dev to suppress it.
```
Here we rename the libraries to match their true cases.

7 files changed, 14 insertions, 14 deletions

diff --git a/bench/spbench/CMakeLists.txt b/bench/spbench/CMakeLists.txt
index fda8dccd9..b1860049c 100644
--- a/bench/spbench/CMakeLists.txt
+++ b/bench/spbench/CMakeLists.txt
@@ -13,7 +13,7 @@ set(SPARSE_LIBS "")
 #   set(SPARSE_LIBS ${SPARSE_LIBS} ${PARDISO_LIBRARIES})
 # endif()
 
-find_package(Cholmod)
+find_package(CHOLMOD)
 if(CHOLMOD_FOUND AND BLAS_FOUND AND LAPACK_FOUND)
   add_definitions("-DEIGEN_CHOLMOD_SUPPORT")
   include_directories(${CHOLMOD_INCLUDES})
@@ -21,7 +21,7 @@ if(CHOLMOD_FOUND AND BLAS_FOUND AND LAPACK_FOUND)
   set(CHOLMOD_ALL_LIBS  ${CHOLMOD_LIBRARIES} ${BLAS_LIBRARIES} ${LAPACK_LIBRARIES})
 endif()
 
-find_package(Umfpack)
+find_package(UMFPACK)
 if(UMFPACK_FOUND AND BLAS_FOUND)
   add_definitions("-DEIGEN_UMFPACK_SUPPORT")
   include_directories(${UMFPACK_INCLUDES})
@@ -37,7 +37,7 @@ if(KLU_FOUND)
 endif()
 
 find_package(SuperLU 4.0)
-if(SUPERLU_FOUND AND BLAS_FOUND)
+if(SuperLU_FOUND AND BLAS_FOUND)
   add_definitions("-DEIGEN_SUPERLU_SUPPORT")
   include_directories(${SUPERLU_INCLUDES})
   set(SPARSE_LIBS ${SPARSE_LIBS} ${SUPERLU_LIBRARIES} ${BLAS_LIBRARIES})
diff --git a/cmake/FindCholmod.cmake b/cmake/FindCHOLMOD.cmake
index cea43ec43..e470cb2e0 100644
--- a/cmake/FindCholmod.cmake
+++ b/cmake/FindCHOLMOD.cmake
@@ -1,4 +1,4 @@
-# Cholmod lib usually requires linking to a blas and lapack library.
+# CHOLMOD lib usually requires linking to a blas and lapack library.
 # It is up to the user of this module to find a BLAS and link to it.
 
 if (CHOLMOD_INCLUDES AND CHOLMOD_LIBRARIES)
diff --git a/cmake/FindGoogleHash.cmake b/cmake/FindGoogleHash.cmake
index f46ea9c39..481eb4dad 100644
--- a/cmake/FindGoogleHash.cmake
+++ b/cmake/FindGoogleHash.cmake
@@ -18,6 +18,6 @@ if(GOOGLEHASH_INCLUDES)
 endif()
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(GOOGLEHASH DEFAULT_MSG GOOGLEHASH_INCLUDES GOOGLEHASH_COMPILE)
+find_package_handle_standard_args(GoogleHash DEFAULT_MSG GOOGLEHASH_INCLUDES GOOGLEHASH_COMPILE)
 
 mark_as_advanced(GOOGLEHASH_INCLUDES)
diff --git a/cmake/FindSuperLU.cmake b/cmake/FindSuperLU.cmake
index e86fe5cfb..4b779f516 100644
--- a/cmake/FindSuperLU.cmake
+++ b/cmake/FindSuperLU.cmake
@@ -90,7 +90,7 @@ endif()
 endif()
 
 include(FindPackageHandleStandardArgs)
-find_package_handle_standard_args(SUPERLU
+find_package_handle_standard_args(SuperLU
                                   REQUIRED_VARS SUPERLU_INCLUDES SUPERLU_LIBRARIES SUPERLU_VERSION_OK
                                   VERSION_VAR SUPERLU_VERSION_VAR)
 
diff --git a/cmake/FindUmfpack.cmake b/cmake/FindUMFPACK.cmake
index 91cf6372f..91cf6372f 100644
--- a/cmake/FindUmfpack.cmake
+++ b/cmake/FindUMFPACK.cmake
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index c624950c2..f6390e8b3 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -41,26 +41,26 @@ endif()
 
 set(SPARSE_LIBS " ")
 
-find_package(Cholmod)
+find_package(CHOLMOD)
 if(CHOLMOD_FOUND)
   add_definitions("-DEIGEN_CHOLMOD_SUPPORT")
   include_directories(${CHOLMOD_INCLUDES})
   set(SPARSE_LIBS ${SPARSE_LIBS} ${CHOLMOD_LIBRARIES} ${EIGEN_BLAS_LIBRARIES} ${EIGEN_LAPACK_LIBRARIES})
   set(CHOLMOD_ALL_LIBS  ${CHOLMOD_LIBRARIES} ${EIGEN_BLAS_LIBRARIES} ${EIGEN_LAPACK_LIBRARIES})
-  ei_add_property(EIGEN_TESTED_BACKENDS "Cholmod, ")
+  ei_add_property(EIGEN_TESTED_BACKENDS "CHOLMOD, ")
 else()
-  ei_add_property(EIGEN_MISSING_BACKENDS "Cholmod, ")
+  ei_add_property(EIGEN_MISSING_BACKENDS "CHOLMOD, ")
 endif()
 
-find_package(Umfpack)
+find_package(UMFPACK)
 if(UMFPACK_FOUND)
   add_definitions("-DEIGEN_UMFPACK_SUPPORT")
   include_directories(${UMFPACK_INCLUDES})
   set(SPARSE_LIBS ${SPARSE_LIBS} ${UMFPACK_LIBRARIES} ${EIGEN_BLAS_LIBRARIES})
   set(UMFPACK_ALL_LIBS ${UMFPACK_LIBRARIES} ${EIGEN_BLAS_LIBRARIES})
-  ei_add_property(EIGEN_TESTED_BACKENDS "UmfPack, ")
+  ei_add_property(EIGEN_TESTED_BACKENDS "UMFPACK, ")
 else()
-  ei_add_property(EIGEN_MISSING_BACKENDS "UmfPack, ")
+  ei_add_property(EIGEN_MISSING_BACKENDS "UMFPACK, ")
 endif()
 
 find_package(KLU)
@@ -75,7 +75,7 @@ else()
 endif()
 
 find_package(SuperLU 4.0)
-if(SUPERLU_FOUND)
+if(SuperLU_FOUND)
   add_definitions("-DEIGEN_SUPERLU_SUPPORT")
   include_directories(${SUPERLU_INCLUDES})
   set(SPARSE_LIBS ${SPARSE_LIBS} ${SUPERLU_LIBRARIES} ${EIGEN_BLAS_LIBRARIES})
diff --git a/unsupported/test/CMakeLists.txt b/unsupported/test/CMakeLists.txt
index 34aa47d4a..15c21098a 100644
--- a/unsupported/test/CMakeLists.txt
+++ b/unsupported/test/CMakeLists.txt
@@ -13,7 +13,7 @@ include_directories(../../test ../../unsupported ../../Eigen
 find_package (Threads)
 
 find_package(GoogleHash)
-if(GOOGLEHASH_FOUND)
+if(GoogleHash_FOUND)
   add_definitions("-DEIGEN_GOOGLEHASH_SUPPORT")
   include_directories(${GOOGLEHASH_INCLUDES})
   ei_add_property(EIGEN_TESTED_BACKENDS  "GoogleHash, ")