tty: tty_io: Move 'tty_sysctl_init's prototype to shared space

Fixes the following W=1 kernel build warning(s):

 drivers/tty/tty_ldisc.c:883:6: warning: no previous prototype for ‘tty_sysctl_init’ [-Wmissing-prototypes]
 883 | void tty_sysctl_init(void)
 | ^~~~~~~~~~~~~~~

Cc: Greg Kroah-Hartman <[email protected]>
Cc: Jiri Slaby <[email protected]>
Cc: Nick Holloway <[email protected]>
Cc: -- <[email protected]>
Cc: Marko Kohtala <[email protected]>
Cc: Bill Hawes <[email protected]>
Cc: "C. Scott Ananian" <[email protected]>
Cc: Russell King <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

0 files changed, 0 insertions, 0 deletions