Make sure there's no nil result in auto_complete.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4503 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/auto_completes_controller_test.rb

@@ -29,6 +29,6 @@ class AutoCompletesControllerTest < ActionController::TestCase
     Setting.cross_project_issue_relations = '0'
     get :issues, :project_id => 'ecookbook', :q => '13', :scope => 'all'
     assert_response :success
-    assert_equal [nil], assigns(:issues)
+    assert_equal [], assigns(:issues)
   end
 end