dbus: Fix prop_changed_flags allocation to count properties correctly

There was an extra semicolon that broke the calculation of registered
properties and resulted in obj_desc->prop_changed_flags not being
allocated long enough for all the flags.

wpa_supplicant/dbus/dbus_new.c

@@ -757,7 +757,7 @@ static void wpas_dbus_register(struct wpa_dbus_object_desc *obj_desc,
 	obj_desc->properties = properties;
 	obj_desc->signals = signals;
 
-	for (n = 0; properties && properties->dbus_property; properties++);
+	for (n = 0; properties && properties->dbus_property; properties++)
 		n++;
 
 	obj_desc->prop_changed_flags = os_zalloc(n);