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
@@ -43,52 +43,52 @@ static void print_object(const unsigned char *sha1, const char *path)
 		if (buffer_is_binary(buf, size))
 			ctx.page.mimetype = "application/octet-stream";
 		else
 			ctx.page.mimetype = "text/plain";
 	}
 	ctx.page.filename = fmt("%s", path);
 	ctx.page.size = size;
 	ctx.page.etag = sha1_to_hex(sha1);
 	cgit_print_http_headers(&ctx);
 	html_raw(buf, size);
 	match = 1;
 }
 
 static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 		     const char *pathname, unsigned mode, int stage,
 		     void *cbdata)
 {
 	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);
 }