Patch for migemo on ruby 1.9 more

migemo-ruby1.9-more.patch

diff --git a/migemo-dict.rb b/migemo-dict.rb
index 61f60ad..e44e6d1 100644
--- a/migemo-dict.rb
+++ b/migemo-dict.rb
@@ -33,8 +33,14 @@ class MigemoDictItem
 end
 
 class MigemoDict
+  class << self
+    def open(filename)
+      File.open(filename, 'r', :external_encoding => __ENCODING__)
+    end
+  end
+
   def initialize (filename)
-    @dict  = File.new(filename)
+    @dict  = MigemoDict.open(filename)
   end
 
   private
@@ -57,7 +63,7 @@ end
 class MigemoStaticDict < MigemoDict
   def initialize (filename)
     super(filename)
-    @index = File.new(filename + ".idx").read.unpack "N*"
+    @index = MigemoDict.open(filename + ".idx").read.unpack "N*"
   end
 
   private
@@ -106,8 +112,8 @@ end
 
 class MigemoDictCache
   def initialize (filename)
-    @dict  = File.new(filename)
-    @index = File.new(filename + ".idx").read.unpack "N*"
+    @dict  = MigemoDict.open(filename)
+    @index = MigemoDict.open(filename + ".idx").read.unpack "N*"
   end
 
   def decompose (idx)