Use correct class name to send post to email recipients. Fix #1437

mod/item.php

@@ -984,7 +984,7 @@ function item_post(&$a) {
 				    'htmlVersion' => $message,
 				    'textVersion' => html2plain($html.$disclaimer),
 				);
-				enotify::send($params);
+				Emailer::send($params);
 			}
 		}
 	}