Fix fdo#64972 - strikethrough displays too high
Fix fdo#64972 - strikethrough displays too high

I was calculating the leading before setting the ascent and descent,
oops.

Change-Id: Ic58ecb1a65cb33715ea06f5e3214c4acbcff1e40

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