Cleanup use of "do { ... } while (0)".

webrtc/p2p/base/p2ptransportchannel_unittest.cc

Index: webrtc/p2p/base/p2ptransportchannel_unittest.cc
diff --git a/webrtc/p2p/base/p2ptransportchannel_unittest.cc b/webrtc/p2p/base/p2ptransportchannel_unittest.cc
index 8b3d0d90001a88418b72261a54cafeb684a6bb4f..24591b1e099aa218703683cab2761dee11b3edd9 100644
--- a/webrtc/p2p/base/p2ptransportchannel_unittest.cc
+++ b/webrtc/p2p/base/p2ptransportchannel_unittest.cc
@@ -1928,7 +1928,7 @@ TEST_F(P2PTransportChannelPingTest, TestReceivingStateChange) {
 
   conn1->ReceivedPing();
   conn1->OnReadPacket("ABC", 3, rtc::CreatePacketTime(0));
-  EXPECT_TRUE_WAIT(ch.best_connection() != nullptr, 1000)
+  EXPECT_TRUE_WAIT(ch.best_connection() != nullptr, 1000);
   EXPECT_TRUE_WAIT(ch.receiving(), 1000);
   EXPECT_TRUE_WAIT(!ch.receiving(), 1000);
 }