Fix segfault on ppc when browsing tree

1 files changed, 1 insertions, 1 deletions

diff --git a/ui-tree.c b/ui-tree.c
index f53ab64..a164767 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -251,35 +251,35 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
  *   path: path to tree or blob
  */
 void cgit_print_tree(const char *rev, char *path)
 {
         unsigned char sha1[20];
         struct commit *commit;
         const char *paths[] = {path, NULL};
 
         if (!rev)
                 rev = ctx.qry.head;
 
         curr_rev = xstrdup(rev);
         if (get_sha1(rev, sha1)) {
                 cgit_print_error(fmt("Invalid revision name: %s", rev));
                 return;
         }
         commit = lookup_commit_reference(sha1);
         if (!commit || parse_commit(commit)) {
                 cgit_print_error(fmt("Invalid commit reference: %s", rev));
                 return;
         }
 
         html("path: <a href='");
         html_attr(cgit_pageurl(ctx.qry.repo, "tree", fmt("h=%s", rev)));
         html("'>root</a>");
 
         if (path == NULL) {
                 ls_tree(commit->tree->object.sha1, NULL);
                 return;
         }
 
         match_path = path;
-        read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
+        read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
         ls_tail();
 }