[SCSI] NCR5380: fix NCR53C400_PSEUDO_DMA is not defined

In file included from drivers/scsi/g_NCR5380_mmio.c:9:
drivers/scsi/g_NCR5380.c:559:5: warning: "NCR53C400_PSEUDO_DMA" is not defined
Signed-off-by: NGabriel Craciunescu <nix.or.die@googlemail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJames Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/g_NCR5380.c

@@ -556,7 +556,7 @@ generic_NCR5380_biosparam(struct scsi_device *sdev, struct block_device *bdev,
 }
 #endif
 
-#if NCR53C400_PSEUDO_DMA
+#ifdef NCR53C400_PSEUDO_DMA
 
 /**
  *	NCR5380_pread		-	pseudo DMA read