Slight change to the visibility SQL statement.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2878 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/project.rb

@@ -129,7 +129,7 @@ class Project < ActiveRecord::Base
     if perm = Redmine::AccessControl.permission(permission)
       unless perm.project_module.nil?
         # If the permission belongs to a project module, make sure the module is enabled
-        base_statement << " AND EXISTS (SELECT em.id FROM #{EnabledModule.table_name} em WHERE em.name='#{perm.project_module}' AND em.project_id=#{Project.table_name}.id)"
+        base_statement << " AND #{Project.table_name}.id IN (SELECT em.project_id FROM #{EnabledModule.table_name} em WHERE em.name='#{perm.project_module}')"
       end
     end
     if options[:project]