Original commit message from CVS:
2005-07-15  Andy Wingo  <wingo@pobox.com>

* tools/gst-typefind.c: Update, add copyright block.

* gst/base/gstbasesrc.c (gst_base_src_default_negotiate):
Normalize and truncate caps before fixation.

* gst/gstcaps.h:
* gst/gstcaps.c (gst_caps_truncate): New function, destructively
discards all but the first structure from its argument.