I fixed a bug in packet_unistim.c which was causing a 'malformed packet' to
appear when an open stream command is read with no endpoint ip (as is sometimes
done) I added a simple msg_len check to avoid this.
I also added UFTP to the unistim dissector and adjusted the unistim call-detection
in voip-info.c to start on an open stream as well as keypresses..
svn path=/trunk/; revision=22929