[locale] On GeoIP failure, log URL

src/modules/locale/LocaleViewStep.cpp

@@ -152,6 +152,8 @@ LocaleViewStep::fetchGeoIpTimezone()
             auto tz = handler->processReply( reply->readAll() );
             if ( !tz.first.isEmpty() )
                 m_startingTimezone = tz;
+            else
+                cWarning() << "GeoIP lookup at" << reply->url() << "failed.";
         }
         delete handler;
         reply->deleteLater();