*: remove a few more cases of argc usage. -89 bytes.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 9 deletions

diff --git a/console-tools/chvt.c b/console-tools/chvt.c
index 302ffb4f9..977c26905 100644
--- a/console-tools/chvt.c
+++ b/console-tools/chvt.c
@@ -6,19 +6,12 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
-
 #include "libbb.h"
 
 int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int chvt_main(int argc, char **argv)
+int chvt_main(int argc UNUSED_PARAM, char **argv)
 {
-	int num;
-
-	if (argc != 2) {
-		bb_show_usage();
-	}
-
-	num = xatou_range(argv[1], 1, 63);
+	int num = xatou_range(single_argv(argv), 1, 63);
 	console_make_active(get_console_fd_or_die(), num);
 	return EXIT_SUCCESS;
 }