This patch, put together by Manuel Novoa III, is a merge of work
done by Evin Robertson (bug#1105) and work from Manuel to make
usage messages occupy less space and simplify how usage messages
are displayed.
diff --git a/deallocvt.c b/deallocvt.c
index b51fbae..8c390c2 100644
--- a/deallocvt.c
+++ b/deallocvt.c
@@ -19,7 +19,7 @@
 
 	//if ((argc > 2) || ((argv == 2) && (**(argv + 1) == '-')))
 	if (argc > 2)
-		usage(deallocvt_usage);
+		show_usage();
 
 	fd = get_console_fd("/dev/console");