set verify_mode to avoid a warning.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8561 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/net/http/test_https_proxy.rb

@@ -9,6 +9,7 @@ class HTTPSProxyTest < Test::Unit::TestCase
         proxy = Net::HTTP.Proxy(ipaddr, port, 'user', 'password')
         http = proxy.new("foo.example.org", 8000)
         http.use_ssl = true
+        http.verify_mode = OpenSSL::SSL::VERIFY_NONE
         http.start {|http|  }
         p 1
       }