Fix segfault on ppc when browsing tree

1 files changed, 1 insertions, 1 deletions

diff --git a/ui-plain.c b/ui-plain.c
index a4ce077..66cb19c 100644
--- a/ui-plain.c
+++ b/ui-plain.c
@@ -59,36 +59,36 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 {
         if (S_ISDIR(mode))
                 return READ_TREE_RECURSIVE;
 
         if (S_ISREG(mode) && !strncmp(base, match_path, baselen) &&
             !strcmp(pathname, match_path + baselen))
                 print_object(sha1, pathname);
 
         return 0;
 }
 
 void cgit_print_plain(struct cgit_context *ctx)
 {
         const char *rev = ctx->qry.sha1;
         unsigned char sha1[20];
         struct commit *commit;
         const char *paths[] = {ctx->qry.path, NULL};
 
         if (!rev)
                 rev = ctx->qry.head;
 
         curr_rev = xstrdup(rev);
         if (get_sha1(rev, sha1)) {
                 html_status(404, "Not found", 0);
                 return;
         }
         commit = lookup_commit_reference(sha1);
         if (!commit || parse_commit(commit)) {
                 html_status(404, "Not found", 0);
                 return;
         }
         match_path = ctx->qry.path;
-        read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
+        read_tree_recursive(commit->tree, "", 0, 0, paths, walk_tree, NULL);
         if (!match)
                 html_status(404, "Not found", 0);
 }