tty: keyboard.c: add uaccess.h to fix a build problem on sparc32

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed