*: fix fallout from -Wunused-parameter

function                                             old     new   delta
bbunpack                                             358     366      +8
passwd_main                                         1070    1072      +2
handle_incoming_and_exit                            2651    2653      +2
getpty                                                88      86      -2
script_main                                          975     972      -3
inetd_main                                          2036    2033      -3
dname_enc                                            377     373      -4
make_new_session                                     474     462     -12
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/5 up/down: 12/-24)            Total: -12 bytes
   text    data     bss     dec     hex filename
 797429     658    7428  805515   c4a8b busybox_old
 797417     658    7428  805503   c4a7f busybox_unstripped

1 files changed, 2 insertions, 2 deletions

diff --git a/networking/telnetd.c b/networking/telnetd.c
index 20c57925f..2ed3b74bc 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -161,14 +161,14 @@ make_new_session(
         const char *login_argv[2];
         struct termios termbuf;
         int fd, pid;
-        char tty_name[32];
+        char tty_name[GETPTY_BUFSIZE];
         struct tsession *ts = xzalloc(sizeof(struct tsession) + BUFSIZE * 2);
 
         /*ts->buf1 = (char *)(ts + 1);*/
         /*ts->buf2 = ts->buf1 + BUFSIZE;*/
 
         /* Got a new connection, set up a tty. */
-        fd = getpty(tty_name, 32);
+        fd = getpty(tty_name);
         if (fd < 0) {
                 bb_error_msg("can't create pty");
                 return NULL;