Fixed: default category ignored when adding a document (#2328).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2124 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/documents_controller.rb

@@ -35,6 +35,7 @@ class DocumentsController < ApplicationController
     else
       @grouped = documents.group_by(&:category)
     end
+    @document = @project.documents.build
     render :layout => false if request.xhr?
   end