Text files should end with a newline character.

Mage/Task/BuiltIn/Releases/ListTask.php

@@ -146,5 +146,4 @@ class ListTask extends AbstractTask implements IsReleaseAware
 
         return $textDiff;
     }
-
-}
+}

Mage/Task/BuiltIn/Releases/RollbackTask.php

@@ -188,5 +188,4 @@ class RollbackTask extends AbstractTask implements IsReleaseAware
             return false;
         }
     }
-
-}
+}