2 - Provide correct replacements for the timeradd() and timersub() functions
3 for platforms that lack them (for example, windows). The timersub()
4 function is used when expiring circuits, timeradd() is currently unused.
5 Patch written by Vektor, who also reported the bug. Thanks! Bugfix
6 on 0.2.2.24-alpha/0.2.3.1-alpha, fixes bug 4778.