Metaswitch/sprout — pull request #185 by AlexHockey (2013-08-02 22:59:13+00:00)
Title: [Reviewer: Mike] Check that reg_max_expires is valid before using it 

In applying markups to the code for sto438 I implicitly removed the code that only uses the command line parameter if it's actually valid. This pull request adds some checking back in.