some small tidy up work

git-svn-id: svn://svn.code.sf.net/p/axtls/code/trunk@44 9a5d90b5-6617-0410-8a86-bb477d3ed2e3

bindings/csharp/axTLS.cs

@@ -340,6 +340,9 @@ namespace axTLS
          *
          * For a client this involves sending another "client hello" message.
          * For the server is means sending a "hello request" message.
+         *
+         * This is a blocking call on the client (until the handshake 
+         * completes).
          * @param ssl [in] An SSL object reference.
          * @return SSL_OK if renegotiation instantiation was ok
          */