ndis: Use the new get_ie() helper to avoid duplicated code

This removes more duplicated implementation of finding the first IE
based on the id.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/drivers/driver_ndis.c

@@ -35,6 +35,7 @@ int close(int fd);
 #include "driver.h"
 #include "eloop.h"
 #include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
 #include "driver_ndis.h"
 
 int wpa_driver_register_event_cb(struct wpa_driver_ndis_data *drv);
@@ -780,20 +781,7 @@ static int wpa_driver_ndis_scan(void *priv,
 
 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
 {
-	const u8 *end, *pos;
-
-	pos = (const u8 *) (res + 1);
-	end = pos + res->ie_len;
-
-	while (end - pos > 1) {
-		if (2 + pos[1] > end - pos)
-			break;
-		if (pos[0] == ie)
-			return pos;
-		pos += 2 + pos[1];
-	}
-
-	return NULL;
+	return get_ie((const u8 *) (res + 1), res->ie_len, ie);
 }