[PATCH] sky2 needs dma_mapping.h

On alpha:

drivers/net/sky2.c: In function `sky2_probe':
drivers/net/sky2.c:2819: error: `DMA_64BIT_MASK' undeclared (first use in this function)
drivers/net/sky2.c:2819: error: (Each undeclared identifier is reported only once
drivers/net/sky2.c:2819: error: for each function it appears in.)
drivers/net/sky2.c:2825: error: `DMA_32BIT_MASK' undeclared (first use in this function)

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

drivers/net/sky2.c

@@ -38,6 +38,7 @@
 #include <linux/version.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
+#include <linux/dma-mapping.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/pci.h>