fix pgp unit test
fix pgp unit test

pgp unit test crashed with weird qFatal
I couldn't find a reason of this.
But this fix resolve that crash. I will hope
that is a good fix.

sladage/qca,highfidelity/qca,oktavarium/qca,Esf-Software/qca,KDE/qca,sladage/qca,oktavarium/qca,highfidelity/qca,JoshuaKolden/qca,sladage/qca,karolherbst/qca,KDE/qca,JoshuaKolden/qca,Bjoe/qca,JoshuaKolden/qca,Esf-Software/qca,Bjoe/qca,JoshuaKolden/qca,sladage/qca,karolherbst/qca,highfidelity/qca,KDE/qca,karolherbst/qca,karolherbst/qca,KDE/qca,highfidelity/qca,Esf-Software/qca,oktavarium/qca,Bjoe/qca,Esf-Software/qca,oktavarium/qca,Bjoe/qca