Trivial patch for G1PrintRegionLivenessInfo

[Peter Schuller]

> Thanks for this. In all honesty, we haven't used the
> -XX:+G1PrintRegionLivenessInfo parameter for some time, so I don't think
> it's really worth extending at this point.

Interesting. What would you say is the best method of "observation"
with respect to when/weather/to what extent old regions are picked for
GC under a particular workload?

-- 
/ Peter Schuller