The quotes should be around the whole file path, and not
just around the directory. Otherwise it can cause the
build to fail if Qt lives inside a directory that is
symlinked from a different drive.
Pick-to: 6.6 6.5
Change-Id: I46e23d4a78c807e6617224ce7faff96e6985f449
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit 26f307ddb16563777bbd57ba1f29d656760c7ff3)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>