prefer current provider for IO before falling back to another
prefer current provider for IO before falling back to another

svn path=/trunk/kdesupport/qca/; revision=703185

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