qca-gnupg: fixed SIGPIPE
qca-gnupg: fixed SIGPIPE

need always close stding only after all data will be written

JoshuaKolden/qca,oktavarium/qca,oktavarium/qca,KDE/qca,oktavarium/qca,KDE/qca,JoshuaKolden/qca,JoshuaKolden/qca,Bjoe/qca,Bjoe/qca,oktavarium/qca,karolherbst/qca,KDE/qca,JoshuaKolden/qca,karolherbst/qca,KDE/qca,Bjoe/qca,karolherbst/qca,karolherbst/qca,Bjoe/qca