hg: icedtea/jdk7/langtools: Use correct classpath for running genstubs when not forking.

[ahughes at redhat.com]

Changeset: 681f1f51926f
Author:    andrew
Date:      2010-06-01 12:25 +0100
URL:       http://hg.openjdk.java.net/icedtea/jdk7/langtools/rev/681f1f51926f

Use correct classpath for running genstubs when not forking.

! make/build.xml