hg: jdk9/hs-rt: 8131128: Merge error in jprt.properties leads to missing devkit argument

[daniel.daugherty at oracle.com]

Changeset: 39b1000561b9
Author:    dcubed
Date:      2015-07-14 09:36 -0700
URL:       http://hg.openjdk.java.net/jdk9/hs-rt/rev/39b1000561b9

8131128: Merge error in jprt.properties leads to missing devkit argument
Summary: Add missing line break; fix backslash lineup.
Reviewed-by: tbell, kvn

! make/jprt.properties