Since the address of the dereference is taken this inputs a garbage almost-null pointer into RtpPacketizer. Not likely that a load/store is performed on the address, but UBSan fires and it's a source of potential future errors. BUG=webrtc:5124, webrtc:5490 R=stefan@webrtc.org Review URL: https://codereview.webrtc.org/1677003002 . Cr-Commit-Position: refs/heads/master@{#11528}