use ::exit() istead of QCoreApplication::exit()
use ::exit() istead of QCoreApplication::exit()

BUG: 277468

cmacq2/kate,hlamer/kate,sandsmark/kate,sandsmark/kate,hlamer/kate,sandsmark/kate,DickJ/kate,hlamer/kate,hlamer/kate,hlamer/kate,cmacq2/kate,cmacq2/kate,hlamer/kate,jfmcarreira/kate,DickJ/kate,jfmcarreira/kate,DickJ/kate,DickJ/kate,hlamer/kate,sandsmark/kate,jfmcarreira/kate,hlamer/kate,hlamer/kate,hlamer/kate