RFR (XXS): 8057799: G1: unnecessary null check in G1KeepAliveClosure

[Tony Printezis]

(following a quick e-mail exchange with Thomas)

Here's a small change to remove an unnecessary NULL check from 
G1KeepAliveClosure:

http://cr.openjdk.java.net/~tonyp/8057799/webrev.0/

If I could get a couple of reviews and a volunteer to sponsor this, it'd 
be awesome. :-)

Thanks,

Tony

-- 
Tony Printezis | JVM/GC Engineer / VM Team | Twitter

@TonyPrintezis
tprintezis at twitter.com