Disable SSLv2 and SSLv3 in elinks to "mitigate POODLE vulnerability".

This change will be passed upstream.

--- elinks-0.11.7/src/network/ssl/ssl.c.orig	2014-12-17 12:23:16.239844159 -0800
+++ elinks-0.11.7/src/network/ssl/ssl.c	2015-01-06 05:41:07.668610655 -0800
@@ -58,6 +58,7 @@
 	SSLeay_add_ssl_algorithms();
 	context = SSL_CTX_new(SSLv23_client_method());
 	SSL_CTX_set_options(context, SSL_OP_ALL);
+	SSL_CTX_set_options(context, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
 	SSL_CTX_set_default_verify_paths(context);
 }