Fixed: NoMethodError error on roadmap if no trackers are selected and a shared version is available (#5006).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3555 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/projects_controller.rb

@@ -304,7 +304,7 @@ class ProjectsController < ApplicationController
         @issues_by_version[version] = issues
       end
     end
-    @versions.reject! {|version| !project_ids.include?(version.project_id) && @issues_by_version[version].empty?}
+    @versions.reject! {|version| !project_ids.include?(version.project_id) && @issues_by_version[version].blank?}
   end
   
   def activity