updated stunnel to 4.54 (http://www.mail-archive.com/openssl-users@openssl.org/msg68861.html)

component/stunnel/buildout.cfg

@@ -17,8 +17,8 @@ filename = stunnel-4-hooks.py
 
 [stunnel-4]
 recipe = hexagonit.recipe.cmmi
-url = http://mirror.bit.nl/stunnel/stunnel-4.53.tar.gz
-md5sum = ab3bfc915357d67da18c73f73610d593
+url = http://mirror.bit.nl/stunnel/archive/4.x/stunnel-4.54.tar.gz
+md5sum = c2b1db99e3ed547214568959a8ed18ac
 pre-configure-hook = ${stunnel-4-hook-download:location}/${stunnel-4-hook-download:filename}:pre_configure_hook
 configure-options =
   --enable-ipv6