Input: fix potential overflows in driver/input/joystick

Change all sprintfs into snprintfs to make sure we won't stomp on
data adjacent to our buffers.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

diff --cc drivers/input/joystick/a3d.c
Simple merge

diff --cc drivers/input/joystick/analog.c
Simple merge

diff --cc drivers/input/joystick/cobra.c
Simple merge

diff --cc drivers/input/joystick/db9.c
Simple merge

diff --cc drivers/input/joystick/gamecon.c
Simple merge

diff --cc drivers/input/joystick/gf2k.c
Simple merge

diff --cc drivers/input/joystick/grip.c
Simple merge

diff --cc drivers/input/joystick/guillemot.c
Simple merge

diff --cc drivers/input/joystick/interact.c
Simple merge

diff --cc drivers/input/joystick/magellan.c
Simple merge

diff --cc drivers/input/joystick/sidewinder.c
Simple merge

diff --cc drivers/input/joystick/spaceball.c
Simple merge

diff --cc drivers/input/joystick/spaceorb.c
Simple merge

diff --cc drivers/input/joystick/stinger.c
Simple merge

diff --cc drivers/input/joystick/twidjoy.c
Simple merge

diff --cc drivers/input/joystick/warrior.c
Simple merge