NoMethodError when clicking a link with a protocol-less url

[ghost]

When the href of the link contains //www.example.com/foo, this error is raised by capybara (1.1.2):

 NoMethodError:
   undefined method `+' for nil:NilClass
 # /var/lib/gems/1.9.1/gems/capybara-1.1.2/lib/capybara/rack_test/browser.rb:49:in `process'
 # /var/lib/gems/1.9.1/gems/capybara-1.1.2/lib/capybara/rack_test/browser.rb:33:in `follow'
 # /var/lib/gems/1.9.1/gems/capybara-1.1.2/lib/capybara/rack_test/node.rb:56:in `click'
 # /var/lib/gems/1.9.1/gems/capybara-1.1.2/lib/capybara/node/element.rb:99:in `block in click'
 # /var/lib/gems/1.9.1/gems/capybara-1.1.2/lib/capybara/node/base.rb:46:in `wait_until'
 # /var/lib/gems/1.9.1/gems/capybara-1.1.2/lib/capybara/node/element.rb:99:in `click'

[mscottford]

Would you accept a pull request that ports this fix over to the 1.1_stable branch? If so, I'll get started on one.

[jnicklas]

Yes, this is the kind of thing that I would be okay with backporting.