Fix typos for allowAnonymousEdits

Looks like we lost some variables during the refactoring of the configs
to camel case.

This should fix it.

Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>

lib/realtime.js

@@ -788,7 +788,7 @@ function connection (socket) {
       var note = notes[noteId]
       // Only owner can change permission
       if (note.owner && note.owner === socket.request.user.id) {
-        if (permission === 'freely' && !config.allowAnonymous && !config.allowAnonymousedits) return
+        if (permission === 'freely' && !config.allowAnonymous && !config.allowAnonymousEdits) return
         note.permission = permission
         models.Note.update({
           permission: permission