network: fix lint error

Signed-off-by: Emilien Macchi <emilien.macchi@enovance.com>

manifests/network.pp

@@ -73,7 +73,7 @@ class cloud::network(
     tenant_network_types    => ['gre'],
     mechanism_drivers       => ['openvswitch'],
     tunnel_id_ranges        => ['1:10000'],
-    enable_security_group => true
+    enable_security_group   => true
   }
 
 }