fdo#45115: SwXTextTable: fix setting borders
fdo#45115: SwXTextTable: fix setting borders

This plus e549f52f16c4a519ed3eddb9c66c19bacc247590 fixes the problem.

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core