The files were moved to a qrc resource, so the string is never empty,
we need to use QFile::exists to make sure they exist.
And the error message was wrong, pointing to current dir.
Change-Id: I532bda9f6221fb5c69b779b8b48baac9ede90eba
Reviewed-by: Rainer Keller <rainer.keller@theqtcompany.com>