configure.ac (GST_MAJORMINOR): Drop the required gstreamer version back down to the latest release, I don't think tho...

Original commit message from CVS:
2006-04-21  Andy Wingo  <wingo@pobox.com>

* configure.ac (GST_MAJORMINOR): Drop the required gstreamer
version back down to the latest release, I don't think thomas'
commit on 1 april was meant to change it.