From 8f861fef0693faccfdd759d1c1944bace0d00f7d Mon Sep 17 00:00:00 2001
From: Ben Hollis <ben@benhollis.net>
Date: Tue, 1 May 2012 00:37:00 -0700
Subject: [PATCH] Un-optional a parameter in hopes of fixing rbx build

---
 middleman-core/lib/middleman-core/application.rb | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/middleman-core/lib/middleman-core/application.rb b/middleman-core/lib/middleman-core/application.rb
index f4f39df0..3a2f0097 100644
--- a/middleman-core/lib/middleman-core/application.rb
+++ b/middleman-core/lib/middleman-core/application.rb
@@ -518,8 +518,7 @@ module Middleman
     # @param [String] type Content type
     # @param [Hash] params
     # @return [void]
-    def content_type(res, type = nil, params={})
-      return res['Content-Type'] unless type
+    def content_type(res, type, params={})
       default = params.delete :default
       mime_type = mime_type(type) || default
       throw "Unknown media type: %p" % type if mime_type.nil?