No need to translate warnings messages.

modules/access/vcdx/access.c

@@ -107,7 +107,7 @@ cdio_log_handler (cdio_log_level_t level, const char message[])
     break;
   default:
     msg_Warn( p_vcd_access, "%s\n%s %d", message,
-            _("The above message had unknown log level"),
+              "The above message had unknown log level",
               level);
   }
   return;
@@ -133,7 +133,7 @@ vcd_log_handler (vcd_log_level_t level, const char message[])
     break;
   default:
     msg_Warn( p_vcd_access, "%s\n%s %d", message,
-            _("The above message had unknown vcdimager log level"),
+              "The above message had unknown vcdimager log level",
               level);
   }
   return;