drop const qualifier on scalar

Author: Girgias

ext/mbstring/mbstring.c

@@ -323,7 +323,7 @@ static const sapi_post_entry mbstr_post_entries[] = {
 };
 /* }}} */
 
-static const mbfl_encoding *php_mb_get_encoding(zend_string *encoding_name, const uint32_t arg_num) {
+static const mbfl_encoding *php_mb_get_encoding(zend_string *encoding_name, uint32_t arg_num) {
 	if (encoding_name) {
 		const mbfl_encoding *encoding;
 		zend_string *last_encoding_name = MBSTRG(last_used_encoding_name);