Pass on the discont event when returning to NORMAL mode after reading tags.

Original commit message from CVS:
Pass on the discont event when returning to NORMAL mode after reading tags.

ChangeLog

+2005-07-18  Jan Schmidt  <thaytan@mad.scientist.com>
+
+	* ext/mad/gstid3tag.c: (gst_id3_tag_sink_event):
+	  When returning to NORMAL state after reading tags,
+	  pass on the discont event.
+
 2005-07-18  Wim Taymans  <wim@fluendo.com>
 	* gst/realmedia/rmdemux.c: (gst_rmdemux_sink_event),