Fix bug parsing media descriptions: the final field isn't a codec type for any of DTLS/SCTP, SCTP, or SCTP/DTLS.

BUG=none
TEST=none
R=juberti@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/34029004

Cr-Commit-Position: refs/heads/master@{#8369}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8369 4adac7df-926f-26a2-2b94-8c16560cd09d
1 file changed