allow specifying no flags
allow specifying no flags

svn path=/trunk/kdesupport/qca/; revision=684040

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