Pull upstream fix for File_Ogg

Pull 98ee703a95ca0b63efbdc3faa74c18d802b84fcc from pear.php.net
fixing https://pear.php.net/bugs/bug.php?id=16271
and https://pear.php.net/bugs/bug.php?id=18499

This patch was originally applied to OggHandler as
3b9b88317edaf5 but didn't make it to the TimedMediaHandler
repository

Change-Id: I54f286ea1b04f60630dda4409f29a83c33c8d087