Bug 1347813: take cumulativeLost from RTCP. r=jesup

MozReview-Commit-ID: LIPxL8vcnHl

--HG--
extra : rebase_source : e7df61a4200e088dba0b5f85d59669e99d35476f

media/webrtc/trunk/webrtc/voice_engine/channel.cc

@@ -3171,7 +3171,7 @@ Channel::GetRTPStatistics(
       // Scale RTP statistics given the current playout frequency
       maxJitterMs = stats.max_jitter / (playoutFrequency / 1000);
       averageJitterMs = stats.rtcp.jitter / (playoutFrequency / 1000);
-      cumulativeLost = stats.cumulative_lost;
+      cumulativeLost = stats.rtcp.cumulative_lost;
     }
 
     discardedPackets = _numberOfDiscardedPackets;