gst/rtpmanager/rtpjitterbuffer.c: Don't try to reset the clock skew when we have no timestamps.

Original commit message from CVS:
Patch by: Stefan Kost <ensonic@users.sf.net>
* gst/rtpmanager/rtpjitterbuffer.c: (calculate_skew):
Don't try to reset the clock skew when we have no timestamps.
Fixes #519005.
1 file changed