ext/dv/: Call dv_set_error_log (dv_decoder_t *, NULL); after dv_decoder_new to not...

ext/dv/: Call dv_set_error_log (dv_decoder_t *, NULL); after dv_decoder_new to not have warings flooding stderr. this...

Original commit message from CVS:
2006-01-27  Jan Gerber  <j@bootlab.org>

Reviewed by: Andy Wingo <wingo@pobox.com>

* ext/dv/gstdvdec.c (gst_dvdec_change_state):
* ext/dv/gstdvdemux.c (gst_dvdemux_change_state):
Call dv_set_error_log (dv_decoder_t *, NULL); after dv_decoder_new
to not have warings flooding stderr. this is the suggested way
also used in dvgrab and kino. (#328336)