vcl: make glyph iterator variable names more clear in GenericSalLayout
vcl: make glyph iterator variable names more clear in GenericSalLayout

Change-Id: I4af8963ab7a9a53b457ea6054a603257b35a0e6e

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