fixed test for CRLF (extra newline was being picked up)

lib/jekyll/convertible.rb

@@ -17,11 +17,11 @@ module Jekyll
     # Returns nothing
     def read_yaml(base, name)
       self.content = File.read(File.join(base, name))
-
-      if self.content =~ /^(---\s*\n.*?)\r?\n---\s*\n/m
-        self.content = self.content[($1.size + 5)..-1]
-
-        self.data = YAML.load($1.dup)
+      
+      if self.content =~ /^(---\s*\n.*?\n?)(---.*?\n)/m
+        self.content = self.content[($1.size + $2.size)..-1]
+      
+        self.data = YAML.load($1)
       end
     end
 

test/test_post.rb

@@ -77,7 +77,7 @@ class TestPost < Test::Unit::TestCase
           @post.read_yaml(@source, @real_file)
 
           assert_equal({"title" => "Test title", "layout" => "post", "tag" => "Ruby"}, @post.data)
-          assert_equal "\r\n\r\nThis is the content", @post.content
+          assert_equal "\r\nThis is the content", @post.content
         end
       end