staging: lustre: uapi: change variable type to match

Change i from int to __u32 to match lcfg_bufcount field. Also
this matches what the other functions also do.
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/26966Reviewed-by: Quentin Bouget <quentin.bouget@cea.fr>
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_cfg.h

@@ -199,7 +199,7 @@ static inline void lustre_cfg_init(struct lustre_cfg *lcfg, int cmd,
 				   struct lustre_cfg_bufs *bufs)
 {
 	char *ptr;
-	int i;
+	__u32 i;
 
 	lcfg->lcfg_version = LUSTRE_CFG_VERSION;
 	lcfg->lcfg_command = cmd;