fix search controller

app/controllers/search_controller.rb

@@ -15,7 +15,7 @@ class SearchController < ApplicationController
       @pagination_limit=params[:page_limit].to_i
     end
 
-    unless params[:qry].empty?
+    unless params[:qry].blank?
       objectsFound = search params[:qry], params[:sort]
       @numFound = objectsFound.length