merges r23809 from trunk into ruby_1_9_1.

--
* load.c (Init_load): $: must be readonly.  [ruby-dev:38690]

* ruby.c (ruby_prog_init): $-W must be readonly.  [ruby-dev:38691]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@23810 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/load.c b/load.c
index 516e3b8bff..a588a5c1fa 100644
--- a/load.c
+++ b/load.c
@@ -704,7 +704,7 @@ Init_load()
     static const char var_load_path[] = "$:";
     ID id_load_path = rb_intern2(var_load_path, sizeof(var_load_path)-1);
 
-    rb_define_hooked_variable(var_load_path, (VALUE*)vm, load_path_getter, 0);
+    rb_define_hooked_variable(var_load_path, (VALUE*)vm, load_path_getter, rb_gvar_readonly_setter);
     rb_alias_variable(rb_intern("$-I"), id_load_path);
     rb_alias_variable(rb_intern("$LOAD_PATH"), id_load_path);
     vm->load_path = rb_ary_new();