$OpenBSD: patch-libclamav_str_c,v 1.8 2013/09/20 15:23:03 sthen Exp $
--- libclamav/str.c.orig	Mon Sep 16 20:28:14 2013
+++ libclamav/str.c	Fri Sep 20 15:27:54 2013
@@ -166,9 +166,9 @@ int cli_hex2str_to(const char *hex, char *ptr, size_t 
 
     for(i = 0; i < len; i += 2) {
 	if((c = cli_hex2int(hex[i])) >= 0) {
-	    val = c;
+	    val = (char)c;
 	    if((c = cli_hex2int(hex[i+1])) >= 0) {
-		val = (val << 4) + c;
+		val = (val << 4) + (char)c;
 	    } else {
 		return -1;
 	    }
