Bugfix: wrong classname

git-svn-id: https://plugins.svn.wordpress.org/wefact-hosting-bestelformulier-integratie/trunk@1021422 b8457f37-d9ea-0310-8a92-e5e31aec5664
Version 1.1

git-svn-id: https://plugins.svn.wordpress.org/wefact-hosting-bestelformulier-integratie/trunk@1021423 b8457f37-d9ea-0310-8a92-e5e31aec5664