Add missing header file.

include/sys/kdaemon.h

@@ -0,0 +1,33 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* Interfaces to control the various kernel daemons.  */
+
+#ifndef _SYS_KDAEMON_H
+
+#define _SYS_KDAEMON_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Start, flush, or tune the kernel's buffer flushing daemon.  */
+extern int bdflush __P ((int __func, long int __data));
+
+__END_DECLS
+
+#endif /* _SYS_KDAEMON_H */