ext/dv/gstdv.c (plugin_init): libdv is a marginal decoder, at best, on big endian systems. Drop its rank in that case...

Original commit message from CVS:
2006-04-21  Andy Wingo  <wingo@pobox.com>

* ext/dv/gstdv.c (plugin_init): libdv is a marginal decoder, at
best, on big endian systems. Drop its rank in that case. OTOH on
x86 it's quite fine. See changes from today in gst-ffmpeg as well.