Merge pull request #7798 from spuder/issue#7763

Adds support for ruby 1.8 in webhook example

doc/web_hooks/web_hooks.md

@@ -124,12 +124,14 @@ Save the following file as `print_http_body.rb`.
 ```ruby
 require 'webrick'
-server = WEBrick::HTTPServer.new(Port: ARGV.first)
+server = WEBrick::HTTPServer.new(:Port => ARGV.first)
 server.mount_proc '/' do |req, res|
   puts req.body
 end
-trap 'INT' do server.shutdown end
+trap 'INT' do 
+  server.shutdown 
+end
 server.start
 ```