fix kb link to servicew with spaces

www/class/centreon-knowledge/procedures_Proxy.class.php

@@ -87,6 +87,7 @@ class procedures_Proxy  {
 		/*
 		 * Check Service
 		 */
+        $service_description = str_replace(' ', '_', $service_description);
         if (isset($procList["Service:" . trim($host_name."_".$service_description)])) {
             $this->url = $this->wikiUrl . "/index.php?title=Service:".$host_name."_".$service_description;
             return;