Staging: comedi: serial2002: Use NULL instead of 0 for pointers

Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ian Abbott 2010-05-19 14:10:04 +01:00 • committed by Greg Kroah-Hartman
commit c5da20905c