Fix REprintf warnings for R-devel

[krlmlr]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7eeac78) 85.80% compared to head (ed480ac) 85.75%.

❗ Current head ed480ac differs from pull request most recent head 793575a. Consider uploading reports for the commit 793575a to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #45      +/-   ##
==========================================
- Coverage   85.80%   85.75%   -0.06%     
==========================================
  Files         107      107              
  Lines        3608     3608              
==========================================
- Hits         3096     3094       -2     
- Misses        512      514       +2     

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