add another unsigned char cast

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10643 ec53bebd-3082-4978-b11e-865c3cabbd6b
2001-09-03 05:37:23 +00:00
parent 6197156956
commit b9b920d76a
1 changed files with 1 additions and 1 deletions
--- a/lib/roken/vis.c
+++ b/lib/roken/vis.c
@@ -164,7 +164,7 @@ do {									   \
 		if (c & 0200) {						   \
 			c &= 0177; *dst++ = 'M';			   \
 		}							   \
-		if (iscntrl(c)) {					   \
+		if (iscntrl((unsigned char)c)) {			   \
 			*dst++ = '^';					   \
 			if (c == 0177)					   \
 				*dst++ = '?';				   \