fix: failure of make engine test when a make engine alias contains a modifier. There can be more than one variant per alias via "." e.g. make.extrastuff where make and extrastuff are variants.
Helium
Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
All rights reserved.
This component and the accompanying materials are made available
under the terms of the License "Eclipse Public License v1.0"
which accompanies this distribution, and is available
at the URL "http://www.eclipse.org/legal/epl-v10.html".
This product includes software developed by
The Apache Software Foundation (http://www.apache.org/).