nfqws,tpws: always use line buffering for console IO

Forces stdout and stderr to always use line buffering. Note that glibc
does automatically flush on newline iff connected to a terminal, but
that is not the case when running under systemd. See also
https://www.gnu.org/software/libc/manual/html_node/Buffering-Concepts.html
https://www.gnu.org/software/libc/manual/html_node/Controlling-Buffering.html

tpws/tpws.c

@@ -1707,6 +1707,7 @@ int main(int argc, char *argv[])
 	struct salisten_s list[MAX_BINDS];
 	char ip_port[48];
 
+	disable_console_io_buffering();
 	set_env_exedir(argv[0]);
 	srand(time(NULL));
 	mask_from_preflen6_prepare();