Fix colspan values

This fixes a couple of minor oversights in previous commits and adjusts
all cells using colspan to use the correct width.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>
diff --git a/ui-refs.c b/ui-refs.c
index e89f836..45db2ac 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -177,7 +177,7 @@
 
 static void print_refs_link(char *path)
 {
-	html("<tr class='nohover'><td colspan='4'>");
+	html("<tr class='nohover'><td colspan='5'>");
 	cgit_refs_link("[...]", NULL, NULL, ctx.qry.head, NULL, path);
 	html("</td></tr>");
 }
@@ -252,7 +252,7 @@
 		cgit_print_tags(0);
 	else {
 		cgit_print_branches(0);
-		html("<tr class='nohover'><td colspan='4'>&nbsp;</td></tr>");
+		html("<tr class='nohover'><td colspan='5'>&nbsp;</td></tr>");
 		cgit_print_tags(0);
 	}
 	html("</table>");