hg: jdk6/jdk6: 6914986: Make sure openjdk doc generation not turned off with JDK_UPDATE_VERSION

[ahughes at redhat.com]

Changeset: 87ed6cf2fb89
Author:    andrew
Date:      2010-01-08 18:28 +0000
URL:       http://hg.openjdk.java.net/jdk6/jdk6/rev/87ed6cf2fb89

6914986: Make sure openjdk doc generation not turned off with JDK_UPDATE_VERSION
Summary: Only turn off documentation for updates when not building OpenJDK
Reviewed-by: ohair, darcy

! make/jdk-rules.gmk