Add RTC_ prefix to (D)CHECKs and related macros.

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 d4219767cfa90b302318e71245163a4a168172ec..300537b2219c65e657c5c763fb3084861c4ffeeb 100644
--- a/webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
+++ b/webrtc/modules/audio_coding/neteq/tools/neteq_rtpplay.cc
@@ -417,7 +417,7 @@ int main(int argc, char* argv[]) {
   // Check if an SSRC value was provided.
   if (!FLAGS_ssrc.empty()) {
     uint32_t ssrc;
-    CHECK(ParseSsrc(FLAGS_ssrc, &ssrc)) << "Flag verification has failed.";
+    RTC_CHECK(ParseSsrc(FLAGS_ssrc, &ssrc)) << "Flag verification has failed.";
     file_source->SelectSsrc(ssrc);
   }