libmobile_zte: change apn_profile_len to function based on new array-based profile list

libmobile_zte.c

@@ -70,26 +70,25 @@ static int apn_profile_idx(struct json_object *container, char *name)
  */
 static int get_apn_profiles_len(char *ip_addr)
 {
-	struct json_object *apn_profiles = mobile_get_apn_profiles_zte(ip_addr);
+	struct json_object *container, *profiles;
 	int len = 0;
 
-	if (!apn_profiles) {
+	container = mobile_get_apn_profiles_zte(ip_addr);
+	if (!container) {
 		//debug_print("Failed to get apn profiles from server!\n");
 		goto fail;
 	}
 
-	json_object_object_foreach(apn_profiles, key, val) {
-		int val_type = json_object_get_type(val);
+	json_object_object_get_ex(container, "profiles", &profiles);
+	if (!profiles)
+		goto fail_profiles;
 
-		if (val_type != json_type_string)
-			len++;
-		else
-			goto success;
-	}
+	len = json_object_array_length(profiles);
 
-success:
-	json_object_put(apn_profiles);
+	json_object_put(container);
 	return len;
+fail_profiles:
+	json_object_put(container);
 fail:
 	return -1;
 }