VLAN: Fix vlan_compare() for tagged VLANs

While refactoring VLAN comparison into vlan_compare(), it was overlooked
that modifications are needed for tagged VLAN support.

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>

src/ap/vlan.c

@@ -16,6 +16,7 @@
  */
 int vlan_compare(struct vlan_description *a, struct vlan_description *b)
 {
+	int i;
 	const int a_empty = !a || !a->notempty;
 	const int b_empty = !b || !b->notempty;
 
@@ -25,5 +26,9 @@ int vlan_compare(struct vlan_description *a, struct vlan_description *b)
 		return 1;
 	if (a->untagged != b->untagged)
 		return 1;
+	for (i = 0; i < MAX_NUM_TAGGED_VLAN; i++) {
+		if (a->tagged[i] != b->tagged[i])
+			return 1;
+	}
 	return 0;
 }