Minor bug fix to stop tasks that do not recur from being a problem

git-svn-id: https://plugins.svn.wordpress.org/cronjob-scheduler/trunk@934333 b8457f37-d9ea-0310-8a92-e5e31aec5664
Minor bug fix to stop tasks that do not recur from being a problem

git-svn-id: https://plugins.svn.wordpress.org/cronjob-scheduler/trunk@934334 b8457f37-d9ea-0310-8a92-e5e31aec5664