hg: jigsaw/jake/hotspot: Replace ":" with File.patchSeparator

[harold . seigel]

Changeset: a60073ae6bbe
Author:    hseigel
Date:      2015-10-01 08:58 -0400
URL:       http://hg.openjdk.java.net/jigsaw/jake/hotspot/rev/a60073ae6bbe

Replace ":" with File.patchSeparator

! test/runtime/modules/Xpatch/Xpatch2Dirs.java