gst/asfdemux/gstasfdemux.c: - fix a mem leak and always propagate tags

Original commit message from CVS:
* gst/asfdemux/gstasfdemux.c:
- fix a mem leak and always propagate tags
- add WMV3 to known video codecs (but no decoder yet)
- replace "surplus data" at end of audio header for what
it is : codec specific data
- fix a typo

ChangeLog

+2004-05-16  Stephane Loeuillet <stephane.loeuillet@tiscali.fr>
+
+	* gst/asfdemux/gstasfdemux.c:
+	  - fix a mem leak and always propagate tags
+	  - add WMV3 to known video codecs (but no decoder yet)
+	  - replace "surplus data" at end of audio header for what
+	    it is : codec specific data
+	  - fix a typo
+
 2004-05-16  Arwed v. Merkatz  <v.merkatz@gmx.net>
 
 	reviewed by: Ronald Bultje  <rbultje@ronald.bitfreak.net>