[2.6 patch] drivers/block/sx8.c: fix warnings with -Wundef

[Adrian Bunk <bunk@stusta.de>]

This patch fixes the following warnings with -Wundef:

<--  snip  -->

...
  CC      drivers/block/sx8.o
drivers/block/sx8.c:1585:5: warning: "IF_64BIT_DMA_IS_POSSIBLE" is not defined
drivers/block/sx8.c:1604:5: warning: "IF_64BIT_DMA_IS_POSSIBLE" is not defined
...

<--  snip  -->


Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.13-rc3-mm1-full/drivers/block/sx8.c.old	2005-07-22 18:13:45.000000000 +0200
+++ linux-2.6.13-rc3-mm1-full/drivers/block/sx8.c	2005-07-22 18:14:05.000000000 +0200
@@ -1582,7 +1582,7 @@
 	if (rc)
 		goto err_out;
 
-#if IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */
+#ifdef IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */
 	rc = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
 	if (!rc) {
 		rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
@@ -1601,7 +1601,7 @@
 			goto err_out_regions;
 		}
 		pci_dac = 0;
-#if IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */
+#ifdef IF_64BIT_DMA_IS_POSSIBLE /* grrrr... */
 	}
 #endif
 

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