Merge pull request #947 from ali1234/master

When disconnecting a node, the receive buffer should be cleared

src/net.cpp

@@ -559,6 +559,7 @@ void CNode::CloseSocketDisconnect()
         printf("disconnecting node %s\n", addr.ToString().c_str());
         closesocket(hSocket);
         hSocket = INVALID_SOCKET;
+        vRecv.clear();
     }
 }