Protect against notices for translate functions without variables in …

…them.

library/EngineBlock/View.php

@@ -76,6 +76,11 @@ public function translate($from, $arg1 = null)
 
         $arguments = func_get_args();
         $arguments[0] = $translator->translate($from);
+
+        if (count($arguments) === 1) {
+            return $arguments[0];
+        }
+
         return call_user_func_array('sprintf', $arguments);
     }
 
@@ -238,4 +243,4 @@ protected function _getLanguageFallback(array $entity, $key, $lang) {
         return null;
     }
 
-}
+}