Work-around for WP bug https://core.trac.wordpress.org/ticket/29658

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7-to-database-extension/trunk@989139 b8457f37-d9ea-0310-8a92-e5e31aec5664
Stable tag: 2.8.12

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7-to-database-extension/trunk@989141 b8457f37-d9ea-0310-8a92-e5e31aec5664