Fixes editing an issue's deliverable.

Broken by the Redmine core in r3308.

lib/budget_issue_hook.rb

@@ -47,6 +47,13 @@ class BudgetIssueHook  < Redmine::Hook::ViewListener
       return ''
     end
   end
+
+  def controller_issues_edit_before_save(context = {})
+    if context[:params] && context[:params][:issue]
+      context[:issue].deliverable = Deliverable.find_by_id_and_project_id(context[:params][:issue][:deliverable_id], context[:issue].project.id)
+    end
+    return ''
+  end
   
   # Saves the Deliverable assignment to the issue
   #