Fixed recently introduced memory leak

ext/phar/phar.c

@@ -1111,6 +1111,7 @@ static int phar_parse_pharfile(php_stream *fp, char *fname, int fname_len, char
 			entry.metadata_len = 0;
 		}
 		if (len > endbuffer - buffer) {
+			pefree(entry.filename, entry.is_persistent);
 			MAPPHAR_FAIL("internal corruption of phar \"%s\" (truncated manifest entry)");
 		}
 		if (phar_parse_metadata(&buffer, &entry.metadata, len TSRMLS_CC) == FAILURE) {