IRDA: smsc-ircc2 - remove home-grown DIM macro, use ARRAY_SIZE intead.
      Also fix out-of-bound array access.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Cc: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>