add register_dissector call for name batadv

Change-Id: Idf92449e510a347ad44225f79e36a274123cd0da
Reviewed-on: https://code.wireshark.org/review/8186
Reviewed-by: Anders Broman <a.broman58@gmail.com>

epan/dissectors/packet-batadv.c

@@ -5014,6 +5014,8 @@ void proto_register_batadv(void)
 				      "batadv"           /* abbrev */
 			      );
 
+	register_dissector("batadv",dissect_batadv_plugin,proto_batadv_plugin);
+
 	batadv_module = prefs_register_protocol(proto_batadv_plugin,
 						proto_reg_handoff_batadv);