vfs: add needed headers for new struct delegation definition

The definition of struct delegation uses stdint.h integer types. Add the
necessary headers to ensure that always works.

Fixes: 1602bad ("vfs: expose delegation support to userland")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

Author: jtlayton

include/uapi/linux/fcntl.h

@@ -4,6 +4,11 @@
 
 #include <asm/fcntl.h>
 #include <linux/openat2.h>
+#ifdef __KERNEL__
+#include <linux/types.h>
+#else
+#include <stdint.h>
+#endif
 
 #define F_SETLEASE	(F_LINUX_SPECIFIC_BASE + 0)
 #define F_GETLEASE	(F_LINUX_SPECIFIC_BASE + 1)