From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Fri, 27 May 2005 19:12:23 +0000 (+0000)
Subject: remove one more warning
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=64a61838d25173dfed09eb1040c5eaad8e5e8933;p=rrdtool.git

remove one more warning


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@598 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_graph_helper.c b/src/rrd_graph_helper.c
index 6028b01..cefb76b 100644
--- a/src/rrd_graph_helper.c
+++ b/src/rrd_graph_helper.c
@@ -119,7 +119,7 @@ rrd_parse_color(char *string, graph_desc_t *gdp) {
     */
 
     i=0;
-    while (string[i] && isxdigit(string[i])) i++;
+    while (string[i] && isxdigit((unsigned int)string[i])) i++;
     if (string[i] != '\0') return 1; /* garbage follows hexdigits */
     switch (i) {
 	case 3: