[SCSI] remove Scsi_Pointer typedef

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index cbf420c..29a86ee 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -896,7 +896,7 @@
  * Notes    : this will only be one SG entry or less
  */
 static
-void acornscsi_data_updateptr(AS_Host *host, Scsi_Pointer *SCp, unsigned int length)
+void acornscsi_data_updateptr(AS_Host *host, struct scsi_pointer *SCp, unsigned int length)
 {
     SCp->ptr += length;
     SCp->this_residual -= length;