More Ruby 1.9 Compatibility fixes

Still a long way to go, but these will help.

test/functional/file_controller_test.rb

@@ -90,7 +90,11 @@ class FileControllerTest < Test::Unit::TestCase
     assert_template 'file/file'
 
     # User uploads the picture
-    picture = File.read("#{RAILS_ROOT}/test/fixtures/rails.gif")
+    begin # Ruby 1.9
+      picture = File.read("#{RAILS_ROOT}/test/fixtures/rails.gif", :encoding => 'ascii-8bit')
+    rescue #Ruby 1.8
+      picture = File.read("#{RAILS_ROOT}/test/fixtures/rails.gif")
+    end
     # updated from post to get - post fails the spam protection (no javascript)
     #   Moron! If substituting GET for POST actually works, you
     #   have much, much bigger problems.

test/unit/wiki_words_test.rb

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+#coding: utf-8
 
 require File.expand_path(File.dirname(__FILE__) + '/../test_helper')