streams: use precomputed persistant variable

Author: Girgias

main/streams/streams.c

@@ -2260,7 +2260,7 @@ PHPAPI php_stream *_php_stream_open_wrapper_ex(const char *path, const char *mod
 
 		/* if the caller asked for a persistent stream but the wrapper did not
 		 * return one, force an error here */
-		if (stream && (options & STREAM_OPEN_PERSISTENT) && !stream->is_persistent) {
+		if (stream && persistent && !stream->is_persistent) {
 			php_stream_wrapper_log_error(wrapper, options & ~REPORT_ERRORS,
 					"wrapper does not support persistent streams");
 			php_stream_close(stream);