Issue with max length. Fixing. (#214)

* Template for VMMS Template: Windows: Deploy a VM Scale Set of Windows VMs with a custom script extension (201-vmss-custom-script-windows)

* Create a template to showcase DNS zones and record sets

* Fix the length in the parameter file.

* Revert

* Issue with length.

201-vmss-custom-script-windows/azuredeploy.parameters.json

@@ -9,7 +9,7 @@
 	    "value": "[concat('Subscription#', substring(resourcegroup().id, 15, 36))]"
 	},
 	"vmssName": {
-	    "value": "[substring(concat('winvmss', resourceGroup().Name), 0, 10)]"
+	    "value": "[substring(concat('winvmss', resourceGroup().Name), 0, 9)]"
 	}
     }
 }