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remove one more warning
[rrdtool.git]
/
src
/
rrd_graph_helper.c
diff --git
a/src/rrd_graph_helper.c
b/src/rrd_graph_helper.c
index
6028b01
..
cefb76b
100644
(file)
--- 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: