Cleanup fixed for in calendar feed

modules/Calendar/actions/Feed.php

@@ -55,7 +55,15 @@ class Calendar_Feed_Action extends Vtiger_BasicAjax_Action {
 		try {
 			foreach ($request as $k => $v) {
 				if ($k == 'conditions' || $k == 'mapping') continue;
-				$request[$k] = $this->valForSql($v);
+				
+				if ($k == 'fieldname' && $v) {
+					$vp = explode(',', $v);
+					$v  = array();
+					foreach ($vp as $p) $v[] = $this->valForSql($p);
+					$request[$k] = implode(',', $v);
+				} else {
+					$request[$k] = $this->valForSql($v);
+				}
 			}
 
 			$start = $request['start'];