Item12939: Fix crash on trunk.foswiki.org

git-svn-id: http://svn.foswiki.org/trunk/core@17753 0b4bb1d4-4e5a-0410-9cc4-b2b747904278
Item12939:  Try again,  trunk still crashing

git-svn-id: http://svn.foswiki.org/trunk/core@17754 0b4bb1d4-4e5a-0410-9cc4-b2b747904278