Include platform name in also the directory name in binary pkgs

tools/make_windows_package.sh

@@ -7,7 +7,7 @@
 set -e
 set -x
 
-VERSION=`git describe --always`
+VERSION=`git describe --always`-windows-x86
 DEST=dist/$VERSION
 
 rm -rf $DEST
@@ -52,4 +52,4 @@ find $DEST -name '*.c' -o -name '*.h' -o -name '*.txt' \
     -exec unix2dos '{}' \;
 
 # Zip it all up
-( cd dist; zip -r $VERSION-windows.zip $VERSION )
+( cd dist; zip -r $VERSION.zip $VERSION )