docs: fix acl permission docs

We have been grouping network-port and nwfilter-binding permissions
under virNetworkPtr and virNWFilterPtr respectively.

Add the two missing classes that were matched because they contain
a substring of others.
Signed-off-by: NJán Tomko <jtomko@redhat.com>
Reviewed-by: NAndrea Bolognani <abologna@redhat.com>

docs/genaclperms.pl

@@ -22,7 +22,8 @@ use warnings;
 
 my @objects = (
     "CONNECT", "DOMAIN", "INTERFACE",
-    "NETWORK","NODE_DEVICE", "NWFILTER",
+    "NETWORK_PORT", "NETWORK", "NODE_DEVICE",
+    "NWFILTER_BINDING", "NWFILTER",
      "SECRET", "STORAGE_POOL", "STORAGE_VOL",
     );