code cleanup
code cleanup

Qdir::mkpath() returns true too if path already exists

https://doc.qt.io/archives/qt-4.8/qdir.html#mkpath
https://doc.qt.io/qt-5/qdir.html#mkpath

Signed-off-by: Rodolfo Ribeiro Gomes <16e015bd1ac6d822a87827be2c0b511db515eae9@gmail.com>

rodolforg/fet,rodolforg/fet