Docs for command use eq instead of match

[tas50]

The docs for command seem to show a regex against stdout, but they're doing it with eq and the regex in quotes. This doesn't seem to work. Changing the commands over to match seems to resolve it.

[chris-rock]

@tas50 could you add a reference where you see the error?

[tas50]

https://github.com/chef/inspec/blob/master/docs/resources.rst#examples-6

[chris-rock]

@tas50 awesome find. Would you like to compose a PR to fix that?

[chris-rock]

This is fixed in latest documentation https://github.com/chef/inspec/blob/master/docs/resources.rst#examples-7