Don't use SSLv2 or SSLv3 in examples/simple
diff --git a/examples/simple/client.py b/examples/simple/client.py
index 36c37cd..dff2d03 100644
--- a/examples/simple/client.py
+++ b/examples/simple/client.py
@@ -27,6 +27,8 @@
# Initialize context
ctx = SSL.Context(SSL.SSLv23_METHOD)
+ctx.set_options(SSL.OP_NO_SSLv2)
+ctx.set_options(SSL.OP_NO_SSLv3)
ctx.set_verify(SSL.VERIFY_PEER, verify_cb) # Demand a certificate
ctx.use_privatekey_file (os.path.join(dir, 'client.pkey'))
ctx.use_certificate_file(os.path.join(dir, 'client.cert'))