Original commit message from CVS:
* gst/Makefile.am:
* gst/gstparse.h:
* gst/gstutils.c:
* gst/gstutils.h:
Make things work with --disable-parse as they do with
--disable-load-save - the symbols involved disappear, but the
header is still installed and GST_DISABLE_PARSE is included via
gstconfig.h