A package is now ready for tests. I don't know how to test the fix in practice, leap seconds are are :-) At least, unit tests pass.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2016-2034.html