[SCSI] aacraid: remove compiler warning

Received from Mark Salyzyn.

This patch resolves a compiler warning on 64 bit architectures.
Signed-off-by: Mark Haverkamp <markh@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/aacraid/commctrl.c

@@ -574,7 +574,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 				rcode = -ENOMEM;
 				goto cleanup;
 			}
-			sg_user[i] = (void __user *)usg->sg[i].addr;
+			sg_user[i] = (void __user *)(long)usg->sg[i].addr;
 			sg_list[i] = p; // save so we can clean up later
 			sg_indx = i;
 
@@ -624,7 +624,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
 				rcode = -ENOMEM;
 				goto cleanup;
 			}
-			sg_user[i] = (void __user *)upsg->sg[i].addr;
+			sg_user[i] = (void __user *)(long)upsg->sg[i].addr;
 			sg_list[i] = p; // save so we can clean up later
 			sg_indx = i;