i#2683 drrun output: fix Windows build issue (#2707)
i#2683 drrun output: fix Windows build issue (#2707)

Fixes a Windows build issue on some CDash machines from 08cd899.

Issue: #2683
AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio,AmesianX/dynamorio