Merge pull request #538 from zvirusz/patch-1

fix typo

app/controllers/merge_requests_controller.rb

@@ -26,7 +26,7 @@ class MergeRequestsController < ApplicationController
     @merge_requests = case params[:f].to_i
                       when 1 then @merge_requests
                       when 2 then @merge_requests.closed
-                      when 2 then @merge_requests.opened.assigned(current_user)
+                      when 3 then @merge_requests.opened.assigned(current_user)
                       else @merge_requests.opened
                       end