do not use the raw locale for osl_getTextEncodingFromLocale()
do not use the raw locale for osl_getTextEncodingFromLocale()

Change-Id: Iab7402721b5fbf20a05c9ff2725e52b012df2940

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