Cast toupper()'s argument to unsigned char.

ok guenther@

diff --git a/games/hunt/hunt/otto.c b/games/hunt/hunt/otto.c
index cd6ad59..09a68c1 100644 (file)
--- a/games/hunt/hunt/otto.c
+++ b/games/hunt/hunt/otto.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: otto.c,v 1.10 2013/08/29 20:22:14 naddy Exp $ */
+/*     $OpenBSD: otto.c,v 1.11 2015/10/24 17:46:19 mmcc Exp $  */
 /*     $NetBSD: otto.c,v 1.2 1997/10/10 16:32:39 lukem Exp $   */
 /*
  * Copyright (c) 1983-2003, Regents of the University of California.
@@ -395,7 +395,7 @@ face_and_move_direction(rel_dir, distance)
                int     i;
                struct  item    items[NUMDIRECTIONS];
 
-               command[comlen++] = toupper(cmd);
+               command[comlen++] = toupper((unsigned char)cmd);
                if (distance == 0) {
                        /* rotate ottolook's to be in right position */
                        for (i = 0; i < NUMDIRECTIONS; i++)