win,msi: prevent from installing on Windows Vista or earlier

Ref: #3804

PR-URL: #5167
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>
Reviewed-By: joaocgreis - João Reis <reis@janeasystems.com>

Author: orangemocha

tools/msvs/msi/product.wxs

@@ -23,6 +23,10 @@
              Compressed="yes"
              InstallScope="perMachine"/>
 
+    <Condition Message="This application is only supported on Windows 7, Windows Server 2008 R2, or higher.">
+      <![CDATA[Installed OR (VersionNT >= 601)]]>
+    </Condition>
+
     <Media Id="1" Cabinet="media1.cab" EmbedCab="yes"/>
 
     <MajorUpgrade AllowSameVersionUpgrades="yes"