hg: jdk6/jdk6/corba: 6873059: Explicitly use -source 5 -target 5 when compiling with the boot jdk javac

[ahughes at redhat.com]

Changeset: 9eeb441e885c
Author:    andrew
Date:      2010-04-09 00:56 +0100
URL:       http://hg.openjdk.java.net/jdk6/jdk6/corba/rev/9eeb441e885c

6873059: Explicitly use -source 5 -target 5 when compiling with the boot jdk javac
Summary: Don't rely on bootstrap compiler defaults
Reviewed-by: jjg, ohair

! make/common/shared/Defs-java.gmk