* lib/rexml/node.rb (REXML::Node::indent): should initialize rv

variable.  a patch from Tadayoshi Funaba <tadf AT dotrb.org> in 
  [ruby-dev:32783].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Tue Dec 25 23:25:29 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* lib/rexml/node.rb (REXML::Node::indent): should initialize rv
+	  variable.  a patch from Tadayoshi Funaba <tadf AT dotrb.org> in 
+	  [ruby-dev:32783].
+
 Tue Dec 25 23:16:01 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ruby.c (proc_options): encoding option in shbang and RUBYOPT did not

lib/rexml/node.rb

@@ -27,7 +27,7 @@ module REXML
       unless indent.nil?
         Kernel.warn( "#{self.class.name}.to_s(indent) parameter is deprecated" )
         f = REXML::Formatters::Pretty.new( indent )
-        f.write( self, rv, indent )
+        f.write( self, rv = "" )
       else
         f = REXML::Formatters::Default.new
         f.write( self, rv = "" )