Rackup options crashes script/server

When loading a config.ru with an options line at the top, script/server complains there is no "opts" variable.

Steps to reproduce:
1. Create a new rails app.
2. cd new_app
3. cat > config.ru with these contents: #\ -w -p 3001
4. script/server
5. crash.

Relavent log:
$ ./script/server => Booting Mongrel => Rails 2.3.4 application starting on http://0.0.0.0:3000 /Library/Ruby/Gems/1.8/gems/rails-2.3.4/lib/commands/server.rb:76: undefined local variable or method opts' for main:Object (NameError)

from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `gem_original_require'
from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
from ./script/server:3

Diagnosis:
railties/lib/commands/server.rb line 76 assumes it has access to the 'opts' object in the optparser block starting on line 24.