Fixed that REST Uploads fail with fastcgi in 1.4-stable (#10832).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/1.4-stable@9653 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/attachments_controller.rb

@@ -67,7 +67,7 @@ class AttachmentsController < ApplicationController
       return
     end
 
-    @attachment = Attachment.new(:file => request.body)
+    @attachment = Attachment.new(:file => request.raw_post)
     @attachment.author = User.current
     @attachment.filename = Redmine::Utils.random_hex(16)