X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/6d177721a1a7749eb0d713fc6768fc758a83e2ab..e41356ff1a423bcc7bbe3fbbc36407aa067c76e0:/charset/xenc.c?ds=sidebyside

diff --git a/charset/xenc.c b/charset/xenc.c
index b6532f29..11787978 100644
--- 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++;
 	}