gst/flv/: Make sure we don't try filling up the index if no times object was parsed...

gst/flv/: Make sure we don't try filling up the index if no times object was parsed. Fix the way we decide to push ta...

Original commit message from CVS:
2007-08-22  Julien MOUTTE  <julien@moutte.net>

* gst/flv/gstflvdemux.c: (gst_flv_demux_pull_tag):
* gst/flv/gstflvparse.c: (gst_flv_parse_metadata_item),
(gst_flv_parse_tag_script), (gst_flv_parse_tag_audio),
(gst_flv_parse_tag_video): Make sure we don't try filling up the
index if no times object was parsed. Fix the way we decide to
push
tags and emit no-more-pads. Fix some printf typing in debugging.