Bug #4904 / Undefined Index: DIRTY_FE_USER - PHP problem that constants cant...

Bug #4904 / Undefined Index: DIRTY_FE_USER - PHP problem that constants cant be replaced inside of single ticks. Fixed.

extension/qfq/qfq/form/Dirty.php

@@ -195,7 +195,7 @@ class Dirty {
             if (empty($recordDirty[DIRTY_FE_USER])) {
                 $msgUser = "another user";
             } else {
-                $msgUser = "user '$recordDirty[DIRTY_FE_USER]'";
+                $msgUser = "user '" . $recordDirty[DIRTY_FE_USER] . "'";
             }
 
             $msg = "The record has already been locked by $msgUser at $at.";
@@ -294,7 +294,7 @@ class Dirty {
         if ($recordDirty[DIRTY_QFQ_USER_SESSION_COOKIE] == $this->client[CLIENT_COOKIE_QFQ]) {
             $msgUser = "you";
         } else {
-            $msgUser = (empty($recordDirty[DIRTY_FE_USER])) ? "another user" : "user '$recordDirty[DIRTY_FE_USER]'";
+            $msgUser = (empty($recordDirty[DIRTY_FE_USER])) ? "another user" : "user '" . $recordDirty[DIRTY_FE_USER] . "'";
         }
         $msgAt = "at " . $recordDirty[COLUMN_CREATED] . " from " . $recordDirty[DIRTY_REMOTE_ADDRESS];
         $msg = "The record has been locked by $msgUser $msgAt";