scsi: lpfc: Use after free in lpfc_rq_buf_free()

The error message dereferences "rqb_entry" so we need to print it first
and then free the buffer.

Fixes: 6c621a22

 ("scsi: lpfc: Separate NVMET RQ buffer posting from IO resources SGL/iocbq/context")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>