Make new gcc -Wall happy
diff --git a/Modules/structmodule.c b/Modules/structmodule.c
index 065ec6f..0cf996f 100644
--- a/Modules/structmodule.c
+++ b/Modules/structmodule.c
@@ -1008,7 +1008,7 @@
s = fmt;
size = 0;
while ((c = *s++) != '\0') {
- if (isspace(c))
+ if (isspace((int)c))
continue;
if ('0' <= c && c <= '9') {
num = c - '0';
@@ -1110,7 +1110,7 @@
res = restart = PyString_AsString(result);
while ((c = *s++) != '\0') {
- if (isspace(c))
+ if (isspace((int)c))
continue;
if ('0' <= c && c <= '9') {
num = c - '0';
@@ -1242,7 +1242,7 @@
str = start;
s = fmt;
while ((c = *s++) != '\0') {
- if (isspace(c))
+ if (isspace((int)c))
continue;
if ('0' <= c && c <= '9') {
num = c - '0';