message: reword trylock comment, make it clear when these added locks are removed
diff: @@ -420,9 +420,8 @@ void push_lock(void *c, const CLockLocation &locklocation, LockType locktype, Ow
  // across the program
  if (fTry)
  {
  - // a try lock will either get it, or it wont. so just add it.
  - // if we dont get the lock this will be undone in the destructor of the read or write block
  - // for whichever critical section made this function call.
  + // a try lock will either get it, or it wont. so just add it for now.
  + // if we dont get the lock these added locks will be removed before the end of the TRY_LOCK function
  AddNewLock(now, tid);
  // we need to add a held lock
  AddNewHeldLock(c, tid, ownership);
  