[PATCH] missing includes of io.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/misc/ioc4.c b/drivers/misc/ioc4.c
index 1c3c14a..79354bb 100644
--- a/drivers/misc/ioc4.c
+++ b/drivers/misc/ioc4.c
@@ -32,6 +32,7 @@
 #include <linux/ktime.h>
 #include <linux/mutex.h>
 #include <linux/time.h>
+#include <asm/io.h>
 
 /***************
  * Definitions *