[SCSI] lpfc: use NULL instead of 0 for pointer
[SCSI] lpfc: use NULL instead of 0 for pointer

sparse says:
drivers/scsi/lpfc/lpfc_sli.c:16547:37: warning:
 Using plain integer as NULL pointer

Signed-off-by: Daeseok Youn <9396ba0d387050db72435da746b84d5b8364732d@gmail.com>
Acked-by: James Smart <2b041da073ece526f0738329b43a4ebfc495c725@emulex.com>
Signed-off-by: James Bottomley <1acebbdca565c7b6b638bdc23b58b5610d1a56b8@Parallels.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs