take first provider from list only if list is not empty :p
take first provider from list only if list is not empty :p

svn path=/trunk/kdesupport/qca/; revision=838933

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