ConvertBorderWidthToWord: fix wrong INSET/OUSET conversion:
ConvertBorderWidthToWord: fix wrong INSET/OUSET conversion:

This should do the inverse of ConvertBorderWidthFromWord.

Change-Id: If0b2a8a83a7faa6600a07ecfcb13a124d7cdeab6

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