Merge branch 'ab/gitweb-link-html-escape' into maint

The characters in the label shown for tags/refs for commits in
"gitweb" output are now properly escaped for proper HTML output.

* ab/gitweb-link-html-escape:
  gitweb: escape link body in format_ref_marker

gitweb/gitweb.perl

@@ -2090,7 +2090,7 @@ sub format_ref_marker {
 				-href => href(
 					action=>$dest_action,
 					hash=>$dest
-				)}, $name);
+				)}, esc_html($name));
 
 			$markers .= " <span class=\"".esc_attr($class)."\" title=\"".esc_attr($ref)."\">" .
 				$link . "</span>";