[PATCH] Fix hcache build on systems with $(EXEEXT), include it in mutt_md5

[Matthias Andree]

# HG changeset patch
# User Matthias Andree <matthias.and...@gmx.de>
# Date 1263406353 -3600
# Branch HEAD
# Node ID e2c60de29015c0b8e4978b9fa3f009884deae419
# Parent  31881f38ca1e2df8392d7cb7d9ed7e3e6e71d6bb
Fix hcache build on systems with $(EXEEXT), include it in mutt_md5.

diff -r 31881f38ca1e -r e2c60de29015 configure.ac
--- a/configure.ac      Tue Dec 29 00:33:20 2009 -0500
+++ b/configure.ac      Wed Jan 13 19:12:33 2010 +0100
@@ -1038,7 +1038,7 @@
 fi
 
 if test x$db_found != xno ; then
-  MUTT_MD5="mutt_md5"
+  MUTT_MD5="mutt_md5$EXEEXT"
 fi
 AC_SUBST(MUTT_MD5)