make "Save As" work again for local, not existing files
make "Save As" work again for local, not existing files

svn path=/trunk/kdelibs/kate/; revision=255810

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