hg: jdk6/jdk6/jdk: 7022473: JDK7 still runs /etc/prtconf to find memory size

[kelly . ohair]

Changeset: 8f6523cdd46e
Author:    ohair
Date:      2012-01-04 11:22 -0800
URL:       http://hg.openjdk.java.net/jdk6/jdk6/jdk/rev/8f6523cdd46e

7022473: JDK7 still runs /etc/prtconf to find memory size
Reviewed-by: katleman

! make/common/shared/Platform.gmk