hg: jigsaw/jake: Add hotspot to javadoc -modulesourcepath

[mandy . chung]

Changeset: cdf7dd951649
Author:    mchung
Date:      2015-11-13 21:51 -0800
URL:       http://hg.openjdk.java.net/jigsaw/jake/rev/cdf7dd951649

Add hotspot to javadoc -modulesourcepath

! make/Javadoc.gmk