hg: jdk9/sandbox: Shorten long lines.

[magnus.ihse.bursie at oracle.com]

Changeset: 021ca8abcaf5
Author:    ihse
Date:      2015-04-02 09:18 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/021ca8abcaf5

Shorten long lines.

! make/Init.gmk
! make/InitSupport.gmk
! make/Main.gmk