[ruby/net-http] Initialize OpenSSL early before creating TCPSocket

OpenSSL make take some time to initialize, and it would be best
to take that time before connecting instead of after.

From joshc on Redmine.

Fixes Ruby Bug #9459

https://github.com/ruby/net-http/commit/14e09fba24

lib/net/http.rb

@@ -972,6 +972,12 @@ module Net   #:nodoc:
     private :do_start
 
     def connect
+      if use_ssl?
+        # reference early to load OpenSSL before connecting,
+        # as OpenSSL may take time to load.
+        @ssl_context = OpenSSL::SSL::SSLContext.new
+      end
+
       if proxy? then
         conn_addr = proxy_address
         conn_port = proxy_port
@@ -1018,7 +1024,6 @@ module Net   #:nodoc:
             end
           end
         end
-        @ssl_context = OpenSSL::SSL::SSLContext.new
         @ssl_context.set_params(ssl_parameters)
         @ssl_context.session_cache_mode =
           OpenSSL::SSL::SSLContext::SESSION_CACHE_CLIENT |