i#1729 offline traces: fix missing type conversions
i#1729 offline traces: fix missing type conversions

Adds missing cases to offline_instru_t::get_entry_type().

Review-URL: https://codereview.appspot.com/314080043

AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio