Use QBS_LIBRARY_DIRNAME instead of hardcoding "lib"
Use QBS_LIBRARY_DIRNAME instead of hardcoding "lib"

Change-Id: If98125a9c8f95d3270ced4b8d0d11d1e7ca91060
Reviewed-by: Qbs CI Bot <94eb2064b2abdc395eb337a66643921d92d5d1fb@weickelt.de>
Reviewed-by: Christian Kandeler <3aa99dcdd3f0cac61fb81c2a11771c0cc2497607@qt.io>

qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qtproject/qt-labs-qbs,qt-labs/qbs,qt-labs/qbs