Fix rtpdump sanitizer issue
- Related issues:
- Requested reviewers: @ripinder.singh @kiene
Reason why this change is needed
MR for rtpdump tests !2284 (merged) revealed a sanitizer issue in ivas_rtp_payload.c. The failed sanitizer job is here https://forge.3gpp.org/rep/ivas-codec-pc/ivas-codec/-/jobs/579758 .
Description of the change
Add null check for csrc in ivas_rtp_payload.c.