===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mg/main.c,v
retrieving revision 1.94
retrieving revision 1.95
diff -u -r1.94 -r1.95
--- src/usr.bin/mg/main.c	2023/03/30 19:01:25	1.94
+++ src/usr.bin/mg/main.c	2023/04/14 15:34:08	1.95
@@ -1,4 +1,4 @@
-/*	$OpenBSD: main.c,v 1.94 2023/03/30 19:01:25 op Exp $	*/
+/*	$OpenBSD: main.c,v 1.95 2023/04/14 15:34:08 tb Exp $	*/
 
 /* This file is in the public domain. */
 
@@ -51,7 +51,7 @@
 extern void     closetags(void);
 
 static __dead void
-usage()
+usage(void)
 {
 	fprintf(stderr, "usage: %s [-nR] [-b file] [-f mode] [-u file] "
 	    "[+number] [file ...]\n",