2758 fix compilation tests

[hiker]

A few small changes to fix #2758.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.86%. Comparing base (33ff7e8) to head (1eb8192).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #2759   +/-   ##
=======================================
  Coverage   99.86%   99.86%           
=======================================
  Files         354      354           
  Lines       48967    48967           
=======================================
  Hits        48903    48903           
  Misses         64       64           

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[hiker]

Ready for review. The link check failure (to https://fortranwiki.org/fortran/show/Intrinsic+procedures) is not caused by this PR, the site seems unavailable atm.

[arporter]

Thanks very much for the quick fix Joerg. All looks good and nice to see how encapsulated the problem was.
However, I've realised that we have lib/extract/{netcdf,standalone}/nemo and the READMEs in those directories talk about the NEMO API. Would you mind renaming those directories (perhaps s/nemo/no_psykal/ or something) and updating the READMEs too?