hg: hsx/hotspot-main/hotspot: 7072341: enable hotspot builds on Linux 3.0

[gary.collins at sun.com]

Changeset: ca1f1753c866
Author:    andrew
Date:      2011-07-28 14:10 -0400
URL:       http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/ca1f1753c866

7072341: enable hotspot builds on Linux 3.0
Summary: Add "3" to list of allowable versions
Reviewed-by: kamg, chrisphi

! make/linux/Makefile