(AzureCXP) fixed 0.0.0.0.0/0

In Lines 39 and 66, changed "0.0.0.0.0/0" to "0.0.0.0/0"

resolves MicrosoftDocs/azure-docs#117021

Author: KapilAnanth-MSFT

articles/virtual-wan/scenario-secured-hub-app-gateway.md

@@ -36,7 +36,7 @@ Currently, routes that are advertised from the Virtual WAN route table to spoke
 
    * To ensure the application gateway is able to send traffic directly to the Internet, specify the following UDR:
 
-     * **Address Prefix:** 0.0.0.0.0/0
+     * **Address Prefix:** 0.0.0.0/0
      * **Next Hop:** Internet
 
    * To ensure the application gateway is able to send traffic to the backend pool via Azure Firewall in the Virtual WAN hub, specify the following UDR:
@@ -63,7 +63,7 @@ Currently, routes that are advertised from the Virtual WAN route table to spoke
 
 1. Configure user-defined routes (UDRs) on the application gateway subnet. To ensure the application gateway is able to send traffic directly to the Internet, specify the following UDR:
 
-   * **Address Prefix:** 0.0.0.0.0/0
+   * **Address Prefix:** 0.0.0.0/0
    * **Next Hop:** Internet
 
 ## Next steps