PHP fix: work-around for bug in PHP 5.3.0 - 5.3.8 https://bugs.php.net/bug.php?id=43200

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7-to-database-extension/trunk@961226 b8457f37-d9ea-0310-8a92-e5e31aec5664
Stable tag: 2.8.8

git-svn-id: https://plugins.svn.wordpress.org/contact-form-7-to-database-extension/trunk@961229 b8457f37-d9ea-0310-8a92-e5e31aec5664