$SAFE=2 is now obsolete
include/ruby/ruby.h (RUBY_SAFE_LEVEL_CHECK): fix safe_level limit.
vm_core.h (rb_proc_t): update comment for safe_level.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50960 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
$SAFE=2 is now obsolete
include/ruby/ruby.h (RUBY_SAFE_LEVEL_CHECK): fix safe_level
limit.
vm_core.h (rb_proc_t): update comment for safe_level.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50960 b2dd03c8-39d4-4d8f-98ff-823fe69b080e