hg: code-tools/jtreg: more fixes for building on Mac OS X

[jonathan.gibbons at oracle.com]

Changeset: fcabd857f573
Author:    jjg
Date:      2013-11-19 15:11 -0800
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/fcabd857f573

more fixes for building on Mac OS X

! make/jtdiff.gmk
! make/jtreg.gmk
! src/share/bin/jtdiff.sh
! src/share/bin/jtreg.sh