hg: jdk7/build: 6909331: Add vsvars.sh to the jdk repository (handy cygwin way to get vcvars32.bat run)

[kelly . ohair]

Changeset: 6d8ed82e5070
Author:    ohair
Date:      2010-12-20 08:44 -0800
URL:       http://hg.openjdk.java.net/jdk7/build/rev/6d8ed82e5070

6909331: Add vsvars.sh to the jdk repository (handy cygwin way to get 
vcvars32.bat run)
Reviewed-by: robilad

+ make/scripts/vsvars.sh