fix default value for a QString parameter
fix default value for a QString parameter

CCBUG: 254321

svn path=/trunk/KDE/kdesdk/kate/; revision=1186402

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