Propagate my ctype fixes (r8404) from libcharset.

[u/mdw/putty] / charset / xenc.c

diff --git a/charset/xenc.c b/charset/xenc.c
index b6532f2..1178797 100644 (file)
--- a/charset/xenc.c
+++ b/charset/xenc.c
@@ -81,7 +81,7 @@ int charset_from_xenc(const char *name)
        p = name;
        q = xencs[i].name;
        while (*p || *q) {
-           if (tolower(*p) != tolower(*q))
+               if (tolower((unsigned char)*p) != tolower((unsigned char)*q))
                break;
            p++; q++;
        }