Rename sha1.c to libsha1.c

This way both the .c and .h files have the same name, and all of the
code imported from the "libsha1" implementation is in filenames
matching libsha1.*.

This also gives me room to make my own notmuch_sha1 wrapper functions
in sha1.c.

2 files changed, 1 insertions, 1 deletions

diff --git a/AUTHORS b/AUTHORS
index a63f897b..fb6c6b67 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -10,7 +10,7 @@ without their specific knowledge (but with their full permission
 thanks to the GNU General Public License). This includes:
 
 Brian Gladman (with Mikhail Gusarov <dottedmag@dottedmag.net>)
-	Implementation of SHA-1 (nice and small) (sha1.c)
+	Implementation of SHA-1 (nice and small) (libsha1.c)
 
 Jeffrey Stedfast
 	Parsing of myriad date formats in email messages (date.c)
diff --git a/sha1.c b/libsha1.c
index c39a5a17..c39a5a17 100644
--- a/sha1.c
+++ b/libsha1.c