ci - #1789: CI-Server - Kinderkrankheiten - UNDO change messenger replacement

hooks/templates/inc_projects_config.php.erb

@@ -94,7 +94,7 @@ $aConfig = array(
         ),
     ),
     // notifications to messengers ...
-    'messenger'=><%= @replace["messenger"] %>,
+    'messenger'=>array(<%= @replace["messenger"] %>),    
 );
 
 // ----------------------------------------------------------------------