check Tor for local clock leaks
Various local clock leaks have been identified in past.
- legacy/trac#4852 (moved)
- legacy/trac#7277 (closed)
- legacy/trac#8751 (moved)
- legacy/trac#16659 (moved)
Please think through, and perhaps grep the code, if there are any others. If there are none, this ticket can be closed.