FindGoalsThread: fix some goals not being found
FindGoalsThread: fix some goals not being found

It's possible for goal playmodes to never appear in the log if a goal is scored near the end of a half.
Thanks to Patrick MacAlpine for the fix.

magmaOffenburg/RoboViz,pmacalpine/RoboViz,magmaOffenburg/RoboViz,magmaOffenburg/RoboViz,pmacalpine/RoboViz,magmaOffenburg/RoboViz,pmacalpine/RoboViz