Merge pull request #5192 from nicolasnoble/fixing-ruby-example

Fixing Ruby examples.

examples/ruby/greeter_client.rb

 #!/usr/bin/env ruby
 
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -41,7 +41,7 @@ require 'grpc'
 require 'helloworld_services'
 
 def main
-  stub = Helloworld::Greeter::Stub.new('localhost:50051')
+  stub = Helloworld::Greeter::Stub.new('localhost:50051', :this_channel_is_insecure)
   user = ARGV.size > 0 ?  ARGV[0] : 'world'
   message = stub.say_hello(Helloworld::HelloRequest.new(name: user)).message
   p "Greeting: #{message}"

examples/ruby/route_guide/route_guide_client.rb

 #!/usr/bin/env ruby
 
-# Copyright 2015, Google Inc.
+# Copyright 2015-2016, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -147,7 +147,7 @@ def run_route_chat(stub)
 end
 
 def main
-  stub = RouteGuide::Stub.new('localhost:50051')
+  stub = RouteGuide::Stub.new('localhost:50051', :this_channel_is_insecure)
   run_get_feature(stub)
   run_list_features(stub)
   run_route_chat(stub)