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

webrtc/common_audio/lapped_transform.cc

Index: webrtc/common_audio/lapped_transform.cc
diff --git a/webrtc/common_audio/lapped_transform.cc b/webrtc/common_audio/lapped_transform.cc
index 8a791f3291d1f5f4710c6aa16c6847fc2ae925f6..6825bebb7af5f4796ec4e3418b996b7f1b77870b 100644
--- a/webrtc/common_audio/lapped_transform.cc
+++ b/webrtc/common_audio/lapped_transform.cc
@@ -84,12 +84,12 @@ LappedTransform::LappedTransform(size_t num_in_channels,
                  cplx_length_,
                  RealFourier::kFftBufferAlignment) {
   RTC_CHECK(num_in_channels_ > 0);
-  RTC_CHECK_GT(block_length_, 0u);
-  RTC_CHECK_GT(chunk_length_, 0u);
+  RTC_CHECK_GT(block_length_, 0);
+  RTC_CHECK_GT(chunk_length_, 0);
   RTC_CHECK(block_processor_);
 
   // block_length_ power of 2?
-  RTC_CHECK_EQ(0u, block_length_ & (block_length_ - 1));
+  RTC_CHECK_EQ(0, block_length_ & (block_length_ - 1));
 }
 
 LappedTransform::~LappedTransform() = default;