Qt Support: Properly handle host libs
Qt Support: Properly handle host libs

We did not take into account that these might be located in a different
place than the target libs.

Change-Id: I2c27b6be6c8962416f1c062cd1d51ebed45f1796
Fixes: QBS-1445
Reviewed-by: Ola Røer Thorsen <793f970c52ded1276b9264c742f19d1888cbaf73@silentwings.no>
Reviewed-by: Jörg Bornemann <47777b9406dbddd02a3fdca8341789a013805a11@qt.io>

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