Default userGroup to 33:33. Removing extra condition.

Mage/Task/BuiltIn/Deployment/ReleaseTask.php

@@ -70,11 +70,10 @@ class ReleaseTask extends AbstractTask implements IsReleaseAware, SkipOnOverride
                     if (!empty($infoArray[3])) {
                         $group = $infoArray[3];
                     }
-                    $userGroup = $user . ':' . $group;
                 }
+                $userGroup = $user . ':' . $group;
             }
 
-            if ($userGroup != '') {
             $command = 'chown -R ' . $userGroup . ' ' . $currentCopy
                 . ' && '
                 . 'chown ' . $userGroup . ' ' . $releasesDirectory;
@@ -82,7 +81,6 @@ class ReleaseTask extends AbstractTask implements IsReleaseAware, SkipOnOverride
             if (!$result) {
                 return $result;
             }
-            }
 
             // Switch symlink and change owner
             $tmplink = $symlink . '.tmp';