staging: wilc1000: replace u32 with int

The data type of variable i changes u32 to int.
It is used as array index to copy some data with memcpy function
so that it is better to use data type of int.
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -3297,7 +3297,7 @@ int wilc_set_pmkid_info(struct wilc_vif *vif,
 	int result = 0;
 	struct host_if_msg msg;
 	struct host_if_drv *hif_drv = vif->hif_drv;
-	u32 i;
+	int i;
 
 	if (!hif_drv) {
 		PRINT_ER("driver is null\n");