Traditional Chinese translation update (#39221).

Patch by ChunChang (Nagaharu) Lo.

git-svn-id: https://svn.redmine.org/redmine/trunk@22368 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wikis_controller.rb

@@ -24,7 +24,9 @@ class WikisController < ApplicationController
   # Delete a project's wiki
   def destroy
     if request.post? && params[:confirm] && @project.wiki
-      @project.wiki.destroy
+      if @project.wiki.destroy
+        Wiki.create_default(@project) unless @wiki
+      end
       redirect_to project_path(@project)
     end
   end