Fix warning: Value stored to 'eEncoding' is never read
Fix warning: Value stored to 'eEncoding' is never read

eEncoding is assigned again a few lines below.

Change-Id: Ib475095bab30e0c2f066934a10cda650706c2c8a

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