check for pem/der rather than guess
check for pem/der rather than guess

svn path=/trunk/kdesupport/qca/; revision=702408

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