hg: jigsaw/jake/nashorn: Relaxed build dependencies slightly

[erik . joelsson]

Changeset: 3aafb5e2bc1d
Author:    erikj
Date:      2016-03-04 16:34 +0100
URL:       http://hg.openjdk.java.net/jigsaw/jake/nashorn/rev/3aafb5e2bc1d

Relaxed build dependencies slightly

! make/BuildNashorn.gmk