try to fix strange stack overflow issue

src/udp_socket.c

@@ -51,11 +51,12 @@ static
 TR_RemoteData
 udpSocketRecv(TR_Socket this, size_t size)
 {
-	unsigned char buffer[size];
+	unsigned char * buffer = TR_malloc(size);
 	ssize_t       received;
 	TR_RemoteData rdata;
-	TR_Socket     remote = TR_new(TR_UdpSocket, TR_socketLog(this), NULL, 0, 0);
-
+	TR_Socket     remote;
+	
+	remote = TR_new(TR_UdpSocket, this->log, NULL, 0, 0);
 	remote->addrlen = this->addrlen;
 
 	received = recvfrom(
@@ -72,6 +73,8 @@ udpSocketRecv(TR_Socket this, size_t size)
 		rdata = TR_new(TR_RemoteData, buffer, received, remote);
 	}
 
+	TR_MEM_FREE(buffer);
+
 	rdata->free_remote = 1;
 
 	return rdata;