loplugin:cstylecast: deal with those that are (technically) const_cast
loplugin:cstylecast: deal with those that are (technically) const_cast

Change-Id: Ia5b84ed835215fe8e6a00a92cb3ac66f5fe0d973

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