added missing translation

services/web/app/views/translations/translation_message.jade

@@ -5,4 +5,4 @@
 				img(src="/img/flags/24/#{recomendSubdomain.lngCode}.png")
 			button.close.pull-right
 				span(aria-hidden="true", ng-click="dismiss()") ×
-				span.sr-only Close
+				span.sr-only #{translate("close")}