hg: jigsaw/jake: Post merge jdk-9-104 cleanup: re-enable indy string concat

[alan . bateman]

Changeset: cef01a26e950
Author:    alanb
Date:      2016-02-06 13:24 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/rev/cef01a26e950

Post merge jdk-9-104 cleanup: re-enable indy string concat

! make/CompileJavaModules.gmk