* lib/net/http.rb (edit_path): use path which is absolute ftp url

on using ftp_proxy.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50157 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Sat Apr  4 08:16:43 2015  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* lib/net/http.rb (edit_path): use path which is absolute ftp url
+	  on using ftp_proxy.
+
 Fri Apr  3 11:43:17 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* vm_eval.c (vm_call0_cfunc): update invoker arguments.

lib/net/http.rb

@@ -1083,8 +1083,12 @@ module Net   #:nodoc:
     end
 
     def edit_path(path)
-      if proxy? and not use_ssl? then
-        "http://#{addr_port}#{path}"
+      if proxy?
+        if path.start_with?("ftp://") || use_ssl?
+          path
+        else
+          "http://#{addr_port}#{path}"
+        end
       else
         path
       end