cid#736173 - increase default fill chars buffer size.
cid#736173 - increase default fill chars buffer size.

Change-Id: Ib7ae9b0a0cddd070372a244cf705f71b6e793473

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