fix build on mac os 10.9

libs/curl/lib/strequal.h

@@ -38,6 +38,6 @@ char *Curl_strcasestr(const char *haystack, const char *needle);
 #ifndef HAVE_STRLCAT
 #define strlcat(x,y,z) Curl_strlcat(x,y,z)
 #endif
-size_t strlcat(char *dst, const char *src, size_t siz);
+//size_t strlcat(char *dst, const char *src, size_t siz);
 
 #endif