Delete the in-memory IP address pools if a connection gets deleted.

This fixes ipsec reload.

src/pluto/connections.c

@@ -376,6 +376,11 @@ void delete_connection(connection_t *c, bool relations)
 		vip->destroy(vip);
 	}
 
+	if (c->kind != CK_GOING_AWAY)
+	{
+		whack_attr->del_pool(whack_attr, c->name);
+	}
+
 	/* free internal data */
 #ifdef DEBUG
 	cur_debugging = old_cur_debugging;

src/pluto/whack_attribute.c

@@ -160,6 +160,9 @@ METHOD(whack_attribute_t, del_pool, void,
 	{
 		if (streq(name, pool->get_name(pool)))
 		{
+			DBG(DBG_CONTROL,
+				DBG_log("deleting virtual IP address pool '%s'", name)
+			);
 			this->pools->remove_at(this->pools, enumerator);
 			pool->destroy(pool);
 			break;