small code improvement

src/socket_shutdown.c

@@ -31,13 +31,11 @@
 TR_SocketFin
 TR_socketShutdown(TR_Socket this)
 {
-	if (TR_socketFinRdWr(this)) {
-		return this->fin_state;
+	if (! TR_socketFinRdWr(this)) {
+		shutdown(this->handle, SHUT_RDWR);
+		this->fin_state |= TR_FIN_RDWR;
 	}
 
-	shutdown(this->handle, SHUT_RDWR);
-	this->fin_state |= TR_FIN_RDWR;
-
 	return this->fin_state;
 }