stat64 is deprecated on mac (#737)

Author: msotheeswaran-sc

src/config.h

@@ -41,14 +41,10 @@
 
 #define CONFIG_DEFAULT_RDB_FILENAME "dump.rdb"
 
-/* Define redis_fstat to fstat or fstat64() */
-#if defined(__APPLE__) && !defined(MAC_OS_X_VERSION_10_6)
-#define redis_fstat fstat64
-#define redis_stat stat64
-#else
+/* Define redis_fstat to fstat */
 #define redis_fstat fstat
 #define redis_stat stat
-#endif
+
 
 /* Test for proc filesystem */
 #ifdef __linux__