Extra cygwin-specific changes

Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk>
Signed-off-by: Lars Hjemli <hjemli@gmail.com>

cgit.h

@@ -233,11 +233,5 @@ extern const char *cgit_repobasename(const char *reponame);
 
 extern int cgit_parse_snapshots_mask(const char *str);
 
-/* libgit.a either links against or compiles its own implementation of
- * strcasestr(), and we'd like to reuse it. Simply re-declaring it
- * seems to do the trick.
- */
-extern char *strcasestr(const char *haystack, const char *needle);
-
 
 #endif /* CGIT_H */