Commit
ef7551db5c1a87406aad8d54c0c2601cea97113c
by Neels Hofmeyrosmo_rtp_get_payload(): fix bounds check for padding
If we want to read a padding length octet from the end, payload_len must
be >= 1.
Change-Id: I071ad2f799bb4cfecf349c5a25bf7a46da6128dc