inotify: remove inotify in kernel interface

nothing uses inotify in the kernel, drop it!

Signed-off-by: Eric Paris <eparis@redhat.com>
diff --git a/fs/open.c b/fs/open.c
index 5463266..94d54d3 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -29,6 +29,7 @@
 #include <linux/falloc.h>
 #include <linux/fs_struct.h>
 #include <linux/ima.h>
+#include <linux/dnotify.h>
 
 #include "internal.h"