[PATCH] cosmetic fixes for example programs in Documentation/cdrom/sbpcd

This patch makes a few minor changes to the example programs in
Documentation/cdrom/sbpcd to kill off some warnings and build failures.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>