calc: double dispose issue.
calc: double dispose issue.

Change-Id: Ic8cc713ef2c7ec77d5418df5b5b689406641b037

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