Fixed: Bulk edit of issues throws 500 if no versions are defined on the project (#4366).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3140 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/projects_helper.rb

@@ -84,7 +84,7 @@ module ProjectsHelper
     if grouped.keys.size > 1
       grouped_options_for_select(grouped, selected && selected.id)
     else
-      options_for_select(grouped.values.first, selected && selected.id)
+      options_for_select((grouped.values.first || []), selected && selected.id)
     end
   end