gst/gstutils.h: GST_PARENT_CALL and

gst/gstutils.h: GST_PARENT_CALL and

Original commit message from CVS:
2004-01-08  Benjamin Otte  <in7y118@public.uni-hamburg.de>

* gst/gstutils.h:
Add GST_BOILERPLATE(_FULL), GST_PARENT_CALL and
GST_PARENT_CALL_WITH_DEFAULT
* gst/elements/gstaggregator.c:
* gst/elements/gstbufferstore.c:
* gst/elements/gstfakesink.c:
* gst/elements/gstfakesrc.c:
* gst/elements/gstfdsink.c:
* gst/elements/gstfdsrc.c:
* gst/elements/gstfilesink.c:
* gst/elements/gstfilesrc.c:
* gst/elements/gstidentity.c:
* gst/elements/gstmd5sink.c:
* gst/elements/gstmultidisksrc.c:
* gst/elements/gstpipefilter.c:
* gst/elements/gstshaper.c:
* gst/elements/gststatistics.c:
* gst/elements/gsttee.c:
* gst/elements/gsttypefindelement.c:
use them.