1316 change rcvBUF_ to sndBUF_ (#1319)

Summary: Pull Request resolved: https://github.com/facebook/folly/pull/1319

Reviewed By: yfeldblum, lnicco

Differential Revision: D19951699

Pulled By: afrind

fbshipit-source-id: b71d96020ca486139472512726183ae4d3555b28

folly/io/async/AsyncUDPSocket.cpp

@@ -134,7 +134,7 @@ void AsyncUDPSocket::bind(const folly::SocketAddress& address) {
 
   if (sndBuf_ > 0) {
     // Set the size of the buffer for the sent messages in tx_queues.
-    int value = rcvBuf_;
+    int value = sndBuf_;
     if (netops::setsockopt(
             socket, SOL_SOCKET, SO_SNDBUF, &value, sizeof(value)) != 0) {
       throw AsyncSocketException(