hg: jdk9/client/jdk: 8151770: 9-client windows builds fail on windows since make file change for 8145174

[philip.race at oracle.com]

Changeset: f685d342544e
Author:    erikj
Date:      2016-03-14 13:10 -0700
URL:       http://hg.openjdk.java.net/jdk9/client/jdk/rev/f685d342544e

8151770: 9-client windows builds fail on windows since make file change for 8145174
Reviewed-by: prr

! make/lib/Awt2dLibraries.gmk