Initialize Pretty formatter with output stream when autoformatting

[jmcaffee]

System: Win 7 Ultimate x64
Console: MsysGit (bash)
Ruby: ruby 1.9.3p392 (2013-02-22) [i386-mingw32]

Does NOT occur before v1.3.0. Tested on 1.2.5, 1.3.0, 1.3.9.

c:/opt/bin/Ruby193/bin/ruby -S bundle exec cucumber features/blah/blagh.feature -a tmp/pretty
private method `puts' called for nil:NilClass (NoMethodError)
c:/opt/bin/Ruby193/lib/ruby/gems/1.9.1/gems/cucumber-1.3.9/lib/cucumber/formatter/console.rb:202:in `print_profile_information'

From what I can see, nil is passed (as the IO object) to Formatter::Pretty.new when autoformat is used (in Configuration#formatters).
The crash happens when @IO.puts is called with @IO == nil.

The workaround I've found is to specify the --no-profile (-P) flag when using --autoformat. If there's no profile, print_profile_information exits early and puts is not called.

[os97673]

Thank you for fixing the problem.

[lock]

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