fixed typo in parsing of visibilty data  "catelog must be catalog"

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-csvimport/trunk@950158 b8457f37-d9ea-0310-8a92-e5e31aec5664
fixed typo in parsing of visibility data  "catelog must be catalog"

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-csvimport/trunk@950159 b8457f37-d9ea-0310-8a92-e5e31aec5664