fix crash in vi normal mode: v G D
fix crash in vi normal mode: v G D

BUG: 300296

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