Reverse result, exit_code in capture2e output.

[BarnumD]

In the file puppet_catalog_diff_spec.rb, on line 43 shouldn't exit_code and result be reversed, according to the documentation for capture2e where result comes first and exit_code second, such as the given example stdout_and_stderr_str, status = Open3.capture2e([env,] cmd... [, opts])?