Fix windows?

Author: nielsdos

ext/phar/util.c

@@ -209,7 +209,8 @@ zend_result phar_mount_entry(phar_archive_data *phar, char *filename, size_t fil
 
 	entry.phar = phar;
 #ifdef PHP_WIN32
-	phar_unixify_path_separators(entry.filename, path_len);
+	entry.filename = zend_string_separate(entry.filename);
+	phar_unixify_path_separators(ZSTR_VAL(entry.filename), path_len);
 #endif
 	if (is_phar) {
 		entry.tmp = estrndup(filename, filename_len);