Bug fixed which prevented creation of current roles backup record during User Role Editor plugin installation and produced unexpected output (PHP notices).

git-svn-id: https://plugins.svn.wordpress.org/user-role-editor/trunk@756630 b8457f37-d9ea-0310-8a92-e5e31aec5664
Bug fixed which prevented creation of current roles backup record during User Role Editor plugin installation and produced unexpected output (PHP notices).

git-svn-id: https://plugins.svn.wordpress.org/user-role-editor/trunk@756631 b8457f37-d9ea-0310-8a92-e5e31aec5664