[IPW2200]: ipw2200.h needs linux/dma-mapping.h

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wireless/ipw2200.h

@@ -45,6 +45,7 @@
 
 #include <linux/firmware.h>
 #include <linux/wireless.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 
 #include <net/ieee80211.h>