Add links to the new refs page from summary page

If either branches or tags are filtered on the summary page, add a link to
refs/heads and/or refs/tags right below the last branch/tag.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
diff --git a/ui-shared.c b/ui-shared.c
index 5c5bcf3..e4bb98f 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -227,6 +227,12 @@
 	reporevlink("commit", name, title, class, head, rev, NULL);
 }
 
+void cgit_refs_link(char *name, char *title, char *class, char *head,
+		    char *rev, char *path)
+{
+	reporevlink("refs", name, title, class, head, rev, path);
+}
+
 void cgit_snapshot_link(char *name, char *title, char *class, char *head,
 			char *rev, char *archivename)
 {