forked from qt-creator/qt-creator
That created a mix of / and \\ while building the path. Qt promises to
build paths that conforms to underlying OS if we always use /.
Amends ffcbbecf27
Change-Id: Iebcb739cc02f0a2d6dd8953943ecfa9cf8fc9aea
Reviewed-by: hjk <hjk@qt.io>