Add missing mpd_send_list_tag_types_available to libmpdclient.ld

Author: jcorporation

libmpdclient.ld

@@ -20,6 +20,7 @@ global:
 	mpd_send_disallowed_commands;
 	mpd_send_list_url_schemes;
 	mpd_send_list_tag_types;
+	mpd_send_list_tag_types_available;
 	mpd_send_disable_tag_types;
 	mpd_run_disable_tag_types;
 	mpd_send_enable_tag_types;