Windows: Fix that installer does not propose a start menu folder

Change-Id: If1eeb38d2a023d5eb9b69ff85fefb992480c20f4
Task-number: QTCREATORBUG-14857
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>

dist/installer/ifw/packages/org.qtproject.qtcreator.application/meta/package.xml.in

@@ -17,4 +17,5 @@
         <UserInterface>associatecommonfiletypesform.ui</UserInterface>
         <UserInterface>launchqtcreatorcheckboxform.ui</UserInterface>
     </UserInterfaces>
+    <StartMenuDir>Qt Creator {version}</StartMenuDir>
 </Package>