resorted SvTreeLists munged horribly
resorted SvTreeLists munged horribly

e.g. tools->options->paths, click the sort icon, reclick it few
times and the list doesn't reverse but instead shows the
same two entries over and over again.

Regression since fb01d8e132ab9097ed30b3bc4c7585622df591ad

Change-Id: Ifc151ad72a27f1cdc3141e356ad6d100e6219cc2

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