staging: lustre: uapi: label lustre_ioctl.h as a UAPI header

Change LUSTRE_IOCTL_H_ to _UAPI_LUSTRE_IOCTL_H_ now that is
a proper UAPI header
Signed-off-by: James Simmons <uja.ornl@yahoo.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6401
Reviewed-on: https://review.whamcloud.com/24568Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/include/uapi/linux/lustre/lustre_ioctl.h

@@ -25,8 +25,8 @@
  *
  * Copyright (c) 2011, 2015, Intel Corporation.
  */
-#ifndef LUSTRE_IOCTL_H_
-#define LUSTRE_IOCTL_H_
+#ifndef _UAPI_LUSTRE_IOCTL_H_
+#define _UAPI_LUSTRE_IOCTL_H_
 
 #include <linux/ioctl.h>
 #include <linux/kernel.h>
@@ -229,4 +229,4 @@ static inline __u32 obd_ioctl_packlen(struct obd_ioctl_data *data)
 
 #define IOC_OSC_SET_ACTIVE	_IOWR('h', 21, void *)
 
-#endif /* LUSTRE_IOCTL_H_ */
+#endif /* _UAPI_LUSTRE_IOCTL_H_ */