Code cleanup.

Gruntfile.coffee

@@ -228,7 +228,6 @@ module.exports = (grunt) ->
         nonstandard: true
         # XXX Temporarily suppress lots of existing warnings until we fix them.
         '-W018': true
-        '-W027': true
         '-W044': true
         '-W053': true
         '-W084': true

src/Linkification/Linkify.coffee

@@ -329,6 +329,7 @@ Linkify =
               $.extend el, <%= html('<audio controls><source type="audio/ogg" src="https://mediacru.sh/${a.dataset.uid}.ogg"></audio>') %>
             else
               el.textContent = "ERROR: No valid filetype."
+          return
         el
     ,
       key: 'pastebin'