only parent the thread object if non-blocking
only parent the thread object if non-blocking

svn path=/trunk/kdesupport/qca/; revision=513331

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