service: Enable ipconfig only for the changed IP type

When IPv6.Configuration is changed to "off" then connman starts fresh
DHCP Requests for service after changing its state to Configuration.
In an ideal scenario IPv4 Configurations should not be affected on
changing IPv6.Configuration property.

This patch only enables ipconfig for the changed IP type and leaves
other IP type unchanged

connman/src/service.c

@@ -4873,11 +4873,13 @@ static DBusMessage *set_property(DBusConnection *conn,
 		if (err < 0) {
 			if (is_connected_state(service, state) ||
 					is_connecting_state(service, state)) {
-				__connman_network_enable_ipconfig(
+				if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
+					__connman_network_enable_ipconfig(
 							service->network,
 							service->ipconfig_ipv4,
 							false);
-				__connman_network_enable_ipconfig(
+				else
+					__connman_network_enable_ipconfig(
 							service->network,
 							service->ipconfig_ipv6,
 							false);
@@ -4892,10 +4894,14 @@ static DBusMessage *set_property(DBusConnection *conn,
 			ipv6_configuration_changed(service);
 
 		if (is_connecting(service) || is_connected(service)) {
-			__connman_network_enable_ipconfig(service->network,
+			if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
+				__connman_network_enable_ipconfig(
+							service->network,
 							service->ipconfig_ipv4,
 							false);
-			__connman_network_enable_ipconfig(service->network,
+			else
+				__connman_network_enable_ipconfig(
+							service->network,
 							service->ipconfig_ipv6,
 							false);
 		}