Style fixes in rtcp_packet/

webrtc/modules/rtp_rtcp/source/rtcp_packet/sdes.cc

Index: webrtc/modules/rtp_rtcp/source/rtcp_packet/sdes.cc
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_packet/sdes.cc b/webrtc/modules/rtp_rtcp/source/rtcp_packet/sdes.cc
index 9b06b2501ef939190e20c3b4592462664bdb12b5..2e395d7297bd98286fc8bf8d036822ef00db0462 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_packet/sdes.cc
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_packet/sdes.cc
@@ -155,6 +155,10 @@ bool Sdes::AddCName(uint32_t ssrc, std::string cname) {
   return true;
 }
 
+size_t Sdes::BlockLength() const {
+  return block_length_;
+}
+
 bool Sdes::Create(uint8_t* packet,
                   size_t* index,
                   size_t max_length,