Blogs: Handle missing config for blog themes.

Author: scottgonzalez

themes/jquery/functions.jquery.php

@@ -168,6 +168,11 @@ function jq_post_heirarchy() {
 }
 
 function jq_logo_link() {
+	// TODO: remove when blog.jquery.com-theme is gone
+	if ( !function_exists( 'jquery_sites' ) ) {
+		return '/';
+	}
+
 	$sites = jquery_sites();
 	return empty( $sites[ JQUERY_LIVE_SITE ][ 'logo_link' ] ) ? '/' :
 		$sites[ JQUERY_LIVE_SITE ][ 'logo_link' ];