[SCSI] tgt: fix build when dprintk is defined

Fix scsi_tgt_lib build when dprintk is defined:
Also fix accessors problem when dprintk is defined

drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_cmd_destroy':
drivers/scsi/scsi_tgt_lib.c:183: warning: format '%lu' expects type 'long unsigned int', but argument 6 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_cmd_done':
drivers/scsi/scsi_tgt_lib.c:330: warning: format '%lu' expects type 'long unsigned int', but argument 5 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_transfer_response':
drivers/scsi/scsi_tgt_lib.c:345: warning: format '%lu' expects type 'long unsigned int', but argument 5 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_init_cmd':
drivers/scsi/scsi_tgt_lib.c:368: warning: format '%lu' expects type 'long unsigned int', but argument 6 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_kspace_exec':
drivers/scsi/scsi_tgt_lib.c:499: warning: format '%lu' expects type 'long unsigned int', but argument 9 has type 'unsigned int'
drivers/scsi/scsi_tgt_lib.c: In function 'scsi_tgt_kspace_it_nexus_rsp':
drivers/scsi/scsi_tgt_lib.c:620: error: 'mid' undeclared (first use in this function)
drivers/scsi/scsi_tgt_lib.c:620: error: (Each undeclared identifier is reported only once
drivers/scsi/scsi_tgt_lib.c:620: error: for each function it appears in.)
make[2]: *** [drivers/scsi/scsi_tgt_lib.o] Error 1

[tomo:
> -     dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
> +     dprintk("%d %d\n", host_no, result);

'mid' is a typo. I wanted to do:

        dprintk("%d %d %llx\n", host_no, result, (unsigned long long)itn_id);

The rest looks ok. Thanks,
]

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>