add better support for IWYU and fix things

Remove the "make iwyu" build target. Move the functionality into the
recently introduced lint.fish script. Fix a lot, but not all, of the
include-what-you-use errors. Specifically, it fixes all of the IWYU errors
on my OS X server but only removes some of them on my Ubuntu 14.04 server.

Fixes #2957

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lru.h b/src/lru.h
index a70b165d..3f4181e9 100644
--- a/src/lru.h
+++ b/src/lru.h
@@ -2,7 +2,6 @@
 
     Least-recently-used cache implementation
 */
-
 #ifndef FISH_LRU_H
 #define FISH_LRU_H
 
@@ -11,6 +10,7 @@
 #include <map>
 #include <set>
 #include <list>
+
 #include "common.h"
 
 /** A predicate to compare dereferenced pointers */