Fix of deprecation error.


git-svn-id: https://plugins.svn.wordpress.org/knowledge-building/trunk@854679 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tagged version 0.7.1

git-svn-id: https://plugins.svn.wordpress.org/knowledge-building/trunk@854680 b8457f37-d9ea-0310-8a92-e5e31aec5664