From 74374cc8a40c450423785015c2e30d5a2ed2920c Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Mon, 31 Oct 2005 16:42:32 +0000
Subject: ctype sign fixes (Tom Miller)

---
 src/cmd/grap/print.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/cmd/grap/print.c')

diff --git a/src/cmd/grap/print.c b/src/cmd/grap/print.c
index 1ce32116..5a2e4e78 100644
--- a/src/cmd/grap/print.c
+++ b/src/cmd/grap/print.c
@@ -147,7 +147,7 @@ void graph(char *s)	/* graph statement */
 			s++;
 		if (c == '\0')
 			ERROR "no name on graph statement" WARNING;
-		if (!isupper(s[0]))
+		if (!isupper((uchar)s[0]))
 			ERROR "graph name %s must be capitalized", s WARNING;
 		for (p=graphname; (c = *s) != ' ' && c != '\t' && c != '\0'; )
 			*p++ = *s++;
-- 
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