* encoding.c (enc_find): accept Encoding objects.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31362 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Apr 27 01:16:59 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* encoding.c (enc_find): accept Encoding objects.
+
 Wed Apr 27 00:55:56 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* transcode.c (econv_opts): add newline option.

encoding.c

@@ -1037,7 +1037,7 @@ enc_list(VALUE klass)
 static VALUE
 enc_find(VALUE klass, VALUE enc)
 {
-    return rb_enc_from_encoding(to_encoding(enc));
+    return rb_enc_from_encoding(rb_to_encoding(enc));
 }
 
 /*