* node.c (add_id): remove duplicated rb_id2str() call.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30746 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Mon Jan 31 23:27:23 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
+
+	* node.c (add_id): remove duplicated rb_id2str() call.
+
 Sun Jan 30 17:19:46 2011  Tanaka Akira  <akr@fsij.org>
 
 	* missing/langinfo.c: parenthesize macro arguments.

node.c

@@ -77,7 +77,7 @@ add_id(VALUE buf, ID id)
     else {
 	VALUE str = rb_id2str(id);
 	if (str) {
-	    A(":"); AR(rb_id2str(id));
+	    A(":"); AR(str);
 	}
 	else {
 	    A("(internal variable)");