Fix gcc warning
Fix gcc warning

svn path=/trunk/kdesupport/qca/; revision=664882

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