This allows one to even dlopen() QtCore and call qVersion, to figure
out which version it is. A bit crazy, but someone might want to do it.
Change-Id: I932460515d07bed3f0e41c8ab2b46fc268ca73ff
Reviewed-by: Qt Doc Bot <qt_docbot@qt-project.org>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Lars Knoll <lars.knoll@nokia.com>