committing hotfix 1.6.3.1

git-svn-id: https://plugins.svn.wordpress.org/bbpress-notify-nospam/trunk@1044153 b8457f37-d9ea-0310-8a92-e5e31aec5664
applying 1.6.3.1 into branch

git-svn-id: https://plugins.svn.wordpress.org/bbpress-notify-nospam/branches/1.6@1044154 b8457f37-d9ea-0310-8a92-e5e31aec5664