* proc.c (proc_dup): should copy safe_level from src proc

properly.  a patch from Keita Yamaguchi
  <keita.yamaguchi at gmail.com>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16513 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Thu May 22 05:45:30 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* proc.c (proc_dup): should copy safe_level from src proc
+	  properly.  a patch from Keita Yamaguchi
+	  <keita.yamaguchi at gmail.com>
+
 Thu May 22 02:46:08 2008  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/net/imap.rb: do not use Thread#raise. [ruby-dev:34739]

proc.c

@@ -92,7 +92,7 @@ proc_dup(VALUE self)
     dst->block = src->block;
     dst->block.proc = procval;
     dst->envval = src->envval;
-    dst->safe_level = dst->safe_level;
+    dst->safe_level = src->safe_level;
     dst->is_lambda = src->is_lambda;
 
     return procval;