Make sure .sh files always have LF line ending

This removes the need to set core.autocrlf=input when compiling
Mono on Windows via cygwin.

.gitattributes

@@ -1,11 +1,11 @@
 # ensure LF endings on all checkouts
 configure.ac crlf=input
+*.sh	crlf=input
 
 # ensure native line endings on checkout
 *.c	crlf
 *.h	crlf
 *.cs	crlf
-*.sh	crlf
 *.il	crlf
 
 .gitattributes	crlf