[BACKPORT] Allow Linux 3.0+ to build OpenJDK6's HotSpot

[Andrew Hughes]

Ok, the absence of this patch makes me wonder who's actually building OpenJDK6 as it is upstream... :-)

Without:

http://hg.openjdk.java.net/jdk7u/jdk7u/hotspot/rev/ca1f1753c866

the HotSpot in OpenJDK6 will fail to build on any version of Linux from 3.0 up.

The original thread is here:

http://mail.openjdk.java.net/pipermail/hotspot-dev/2011-July/004322.html

and the patch applies cleanly to 6's HotSpot.

Ok for backport?
-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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