hg: jdk9/sandbox/corba: 8146403: Windows build can be faster

[chris.hegarty at oracle.com]

Changeset: 7cf41aa89a2b
Author:    erikj
Date:      2016-01-16 13:01 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/corba/rev/7cf41aa89a2b

8146403: Windows build can be faster
Reviewed-by: ihse

! make/gensrc/Gensrc-java.corba.gmk