Remove the type parameter to NetEq::GetAudio

webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc

Index: webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
diff --git a/webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc b/webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
index a339199e2acddbd7861075473ebabfce8c93020a..fdb66714cfbe20c465ae4f6f949237eb94ad50f7 100644
--- a/webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
+++ b/webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
@@ -605,7 +605,7 @@ int main(int argc, char* argv[]) {
     // Check if it is time to get output audio.
     while (time_now_ms >= next_output_time_ms && output_event_available) {
       webrtc::AudioFrame out_frame;
-      int error = neteq->GetAudio(&out_frame, NULL);
+      int error = neteq->GetAudio(&out_frame);
       if (error != NetEq::kOK) {
         std::cerr << "GetAudio returned error code " <<
             neteq->LastError() << std::endl;