hg: code-tools/jtreg: 7900245: jtreg build should be cygwin-aware

[jonathan.gibbons at oracle.com]

Changeset: 9d283fa28b97
Author:    jjg
Date:      2013-10-29 14:32 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/9d283fa28b97

7900245: jtreg build should be cygwin-aware
Contributed-by: francis.andre.kampbell at orange.fr

! make/Platform.gmk
! make/jtdiff.gmk
! make/jtreg.gmk
! make/pkgsToFiles.sh