Fix compile error in macro.

Author: Andrei Zmievski

php_memcached.c

@@ -2730,9 +2730,9 @@ static void php_memc_register_constants(INIT_FUNC_ARGS)
 	 * Indicate whether igbinary serializer is available
 	 */
 #ifdef HAVE_MEMCACHED_IGBINARY
-	REGISTER_MEMC_CLASS_CONST_BOOL(IGBINARY_SUPPORT, 1);
+	REGISTER_MEMC_CLASS_CONST_LONG(IGBINARY_SUPPORT, 1);
 #else
-	REGISTER_MEMC_CLASS_CONST_BOOL(IGBINARY_SUPPORT, 0);
+	REGISTER_MEMC_CLASS_CONST_LONG(IGBINARY_SUPPORT, 0);
 #endif
 
 	/*