Send Sdes using RtcpPacket

BUG=2450
R=asapersson@webrtc.org

Review URL: https://codereview.webrtc.org/1196863003.

Cr-Commit-Position: refs/heads/master@{#9504}
diff --git a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
index a79774d..50382ea 100644
--- a/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtp_rtcp_impl.cc
@@ -497,8 +497,7 @@
   return rtcp_sender_.SetCNAME(c_name);
 }
 
-int32_t ModuleRtpRtcpImpl::AddMixedCNAME(uint32_t ssrc,
-                                         const char c_name[RTCP_CNAME_SIZE]) {
+int32_t ModuleRtpRtcpImpl::AddMixedCNAME(uint32_t ssrc, const char* c_name) {
   return rtcp_sender_.AddMixedCNAME(ssrc, c_name);
 }