Minor formatting changes for the MOI wrapper

[odow]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 95.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 98.52%. Comparing base (b4f5f2a) to head (e0b2712).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
src/MOI/MOI_wrapper.jl	94.59%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #318      +/-   ##
==========================================
- Coverage   98.61%   98.52%   -0.09%     
==========================================
  Files           3        3              
  Lines        2590     2570      -20     
==========================================
- Hits         2554     2532      -22     
- Misses         36       38       +2     

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