Get rid of using deprecated function isascii
Avoid using functions deprecated in some libcs (e.g. uClibc-ng).
Fixes
@@ -470,7 +470,7 @@ static int ssl_servername_cb(SSL *s, int *ad, void *arg)
BIO_printf(p->biodebug, "Hostname in TLS extension: \"");
while ((uc = *cp++) != 0)
BIO_printf(p->biodebug,
- isascii(uc) && isprint(uc) ? "%c" : "\\x%02x", uc);
+ (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc);
BIO_printf(p->biodebug, "\"\n");
}
