Merged r5283 from trunk.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/1.1-stable@5590 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -236,7 +236,13 @@ class IssuesController < ApplicationController
         return unless api_request?
       end
     end
-    @issues.each(&:destroy)
+    @issues.each do |issue|
+      begin
+        issue.reload.destroy
+      rescue ::ActiveRecord::RecordNotFound # raised by #reload if issue no longer exists
+        # nothing to do, issue was already deleted (eg. by a parent)
+      end
+    end
     respond_to do |format|
       format.html { redirect_back_or_default(:action => 'index', :project_id => @project) }
       format.api  { head :ok }