RTC_[D]CHECK_op: Remove "u" suffix on integer constants

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

Index: webrtc/modules/audio_coding/neteq/tools/encode_neteq_input.cc
diff --git a/webrtc/modules/audio_coding/neteq/tools/encode_neteq_input.cc b/webrtc/modules/audio_coding/neteq/tools/encode_neteq_input.cc
index c89200be87e96624aa2dd53ede231e589382ba32..263f7b4223837db6e09419bc9620da722b2f1a5a 100644
--- a/webrtc/modules/audio_coding/neteq/tools/encode_neteq_input.cc
+++ b/webrtc/modules/audio_coding/neteq/tools/encode_neteq_input.cc
@@ -59,7 +59,7 @@ void EncodeNetEqInput::CreatePacket() {
   // Create a new PacketData object.
   RTC_DCHECK(!packet_data_);
   packet_data_.reset(new NetEqInput::PacketData);
-  RTC_DCHECK_EQ(packet_data_->payload.size(), 0u);
+  RTC_DCHECK_EQ(packet_data_->payload.size(), 0);
 
   // Loop until we get a packet.
   AudioEncoder::EncodedInfo info;