Do not use the deprecated ASN1_STRING_data(). It will be removed

Index: WWW/Library/Implementation/HTTLS.c
--- WWW/Library/Implementation/HTTLS.c.orig
+++ WWW/Library/Implementation/HTTLS.c
@@ -30,6 +30,9 @@
 #if LIBRESSL_VERSION_NUMBER >= 0x2060100fL
 #define SSL_set_no_TLSV1()		SSL_set_min_proto_version(handle, TLS1_1_VERSION)
 #endif
+#if LIBRESSL_VERSION_NUMBER >= 0x2090000fL
+#define ASN1_STRING_data		ASN1_STRING_get0_data
+#endif
 
 #elif defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER >= 0x10100000L)
 
