corrected errors in RequestRoutingRules JSON

Removed a space and a misplaced comma.

Author: StefanIvemo

articles/application-gateway/url-route-overview.md

@@ -108,8 +108,8 @@ Snippet of PathBasedRouting rule:
         "id": "/subscriptions/{subscriptionId}/../microsoft.network/applicationGateways/{gatewayName}/httpListeners/<listenerName>"
     },
     "urlPathMap": {
-        "id": "/subscriptions/{subscriptionId}/../microsoft.network/applicationGateways/{gatewayName}/ urlPathMaps/{urlpathMapName}"
-    },
+        "id": "/subscriptions/{subscriptionId}/../microsoft.network/applicationGateways/{gatewayName}/urlPathMaps/{urlpathMapName}"
+    }
 
 }
     }