fix mozab driver after OUString change
fix mozab driver after OUString change

for Windows build after my change in
commit e2451bd729d0f1d795a5b689deba65bc4e9d92c6
"Convert indexOf->startsWith and lastIndexOf->endsWith"

Change-Id: I9397f1310742cdd773a7d2d3c5f0dbe728041d2d

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