[PATCH] ARM: Add missed include for dmabounce.c

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 39dd33f..9d63a01 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -30,6 +30,8 @@
 #include <linux/dmapool.h>
 #include <linux/list.h>
 
+#include <asm/cacheflush.h>
+
 #undef DEBUG
 
 #undef STATS