Fix implicit int->bool conversion in VideoSendStream::DeliverRtcp.

BUG=
R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/1963004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@4484 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/video_engine/internal/video_send_stream.cc b/video_engine/internal/video_send_stream.cc
index 305d08f..7d9e680 100644
--- a/video_engine/internal/video_send_stream.cc
+++ b/video_engine/internal/video_send_stream.cc
@@ -213,7 +213,7 @@
 
 bool VideoSendStream::DeliverRtcp(const uint8_t* packet, size_t length) {
   return network_->ReceivedRTCPPacket(
-      channel_, packet, static_cast<int>(length));
+             channel_, packet, static_cast<int>(length)) == 0;
 }
 
 }  // namespace internal