Fixes issue 2210. Thanks to Paul for the patch;

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2105 9f815046-5998-e9c0-b7e2-ac03a23edfa4
Typo in previous fix

git-svn-id: http://csipsimple.googlecode.com/svn/trunk/CSipSimple@2106 9f815046-5998-e9c0-b7e2-ac03a23edfa4