Original commit message from CVS:
2005-11-29  Andy Wingo  <wingo@pobox.com>

* libs/gst/base/gstbasetransform.h:
* libs/gst/base/gstbasesrc.h:
* libs/gst/base/gstbasesink.h: en-LARGE the padding.

* gst/gstconfig.h.in (GST_PADDING_LARGE): New define, the number
of pointers by which to pad very extensible base classes (like the
ones in libs/gst/base).