Correct the calculation of discard rate.

Bug: webrtc:7903
Change-Id: Ib5d6fd882a994dd542b616e5fe1c75710346dd31
Reviewed-on: https://chromium-review.googlesource.com/575057
Commit-Queue: Minyue Li <minyue@webrtc.org>
Reviewed-by: Oskar Sundbom <ossu@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19101}
diff --git a/webrtc/modules/audio_coding/neteq/neteq_impl.cc b/webrtc/modules/audio_coding/neteq/neteq_impl.cc
index 88e07e8..4b95253 100644
--- a/webrtc/modules/audio_coding/neteq/neteq_impl.cc
+++ b/webrtc/modules/audio_coding/neteq/neteq_impl.cc
@@ -728,7 +728,7 @@
       packet_buffer_->NumPacketsInBuffer();
   const int ret = packet_buffer_->InsertPacketList(
       &parsed_packet_list, *decoder_database_, &current_rtp_payload_type_,
-      &current_cng_rtp_payload_type_);
+      &current_cng_rtp_payload_type_, &stats_);
   if (ret == PacketBuffer::kFlushed) {
     // Reset DSP timestamp etc. if packet buffer flushed.
     new_codec_ = true;