Require ‘net/https’ for older ruby versions

Author: rafaelgonzalez

lib/onelogin/ruby-saml/idp_metadata_parser.rb

@@ -3,6 +3,7 @@
 require "zlib"
 require "cgi"
 require 'net/http'
+require 'net/https'
 require "rexml/document"
 require "rexml/xpath"