scsi: core: unexport scsi_host_set_state

This function is only used inside the SCSI midlayer, so remove the
export for it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/hosts.c

@@ -154,7 +154,6 @@ int scsi_host_set_state(struct Scsi_Host *shost, enum scsi_host_state state)
 					     scsi_host_state_name(state)));
 	return -EINVAL;
 }
-EXPORT_SYMBOL(scsi_host_set_state);
 
 /**
  * scsi_remove_host - remove a scsi host