Issue/3208 pathfinder typo

[mitzimorris]

Submission Checklist

• [x] Run unit tests: ./runTests.py src/test/unit
• [x] Run cpplint: make cpplint
• [x] Declare copyright holder and open-source license: see below

Summary

Fix typo.

Intended Effect

Improve console output .

How to Verify

Will be verified from CmdStan

Side Effects

N/A

Documentation

Console output in CmdStan guide, which is spell-checked.

Copyright and Licensing

Please list the copyright holder for the work you are submitting (this will be you or your assignee, such as a university or company): Columbia University

By submitting this pull request, the copyright holder is agreeing to license the submitted work under the following licenses:

• Code: BSD 3-clause (https://opensource.org/licenses/BSD-3-Clause)
• Documentation: CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

[mitzimorris]

https://github.com/stan-dev/stan/issues/3208

[mitzimorris]

I think this PR was subsumed by #3210

[WardBrian]

It was