RFR(XS): JDK-8021771: warning: stat64 is deprecated - when building on OSX 10.7.5

[Andreas Eriksson]

Hi all,

Can I have a couple of reviews for this very small backport to JDK7?
This problem can prevent building on newer OSX systems.

https://bugs.openjdk.java.net/browse/JDK-8021771

http://cr.openjdk.java.net/~aeriksso/8021771/webrev/

I previously did a closed review for this as it was initially targeted 
for the next cpu release.

Thanks,
Andreas