License file (LICENSE.QT-LICENSE-AGREEMENT-4.0) was recently updated to
version 4.2 and that broke the configure.
Remove qt license file version number from file name to avoid configure
update need when license file is updated
Change-Id: I77b4a4e7c6e590bbbce79d1c86cbcfb965841eae
Reviewed-by: Lars Knoll <lars.knoll@qt.io>