* lib/tempfile.rb (Tempfile#unlink): leave @data. Assigning nil to

@data caused double closing error of the same IO in finalizer.  a
  patch from Simon Nicholls.  [ruby-core:29395]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28093 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Sun May 30 21:48:07 2010  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* lib/tempfile.rb (Tempfile#unlink): leave @data.  Assigning nil to
+	  @data caused double closing error of the same IO in finalizer.  a
+	  patch from Simon Nicholls.  [ruby-core:29395]
+
 Sun May 30 18:47:15 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* ext/nkf/nkf-utf8/nkf.c: updated to b856dd07.

lib/tempfile.rb

@@ -236,7 +236,7 @@ class Tempfile < DelegateClass(File)
       end
       # remove tmpname from remover
       @data[0] = @data[2] = nil
-      @data = @tmpname = nil
+      @tmpname = nil
     rescue Errno::EACCES
       # may not be able to unlink on Windows; just ignore
     end