hg: jdk7/build: 6865492: /java/devtools/win32/bin/gnumake.exe doesn't work with cygwin

[kelly . ohair]

Changeset: 696a6a5030b0
Author:    ohair
Date:      2009-10-28 13:44 -0700
URL:       http://hg.openjdk.java.net/jdk7/build/rev/696a6a5030b0

6865492: /java/devtools/win32/bin/gnumake.exe doesn't work with cygwin
Reviewed-by: robilad

! README-builds.html