strip trailing (back)slash from path

ext/spl/spl_directory.c

@@ -120,9 +120,14 @@ static zend_object_value spl_ce_dir_object_new(zend_class_entry *class_type TSRM
 /* open a directory resource */
 static void spl_ce_dir_open(spl_ce_dir_object* intern, char *path TSRMLS_DC)
 {
+	int path_len = strlen(path);
 	intern->dirp = php_stream_opendir(path, ENFORCE_SAFE_MODE|REPORT_ERRORS, NULL);
 
-	intern->path = estrdup(path);
+	if (path_len && (path[path_len-1] == '/' || path[path_len-1] == '\\')) {
+		intern->path = estrndup(path, --path_len);
+	} else {
+		intern->path = estrndup(path, path_len);
+	}
 	intern->index = 0;
 
 	if (intern->dirp == NULL) {