windows ipc: check the return value of nni_aio_schedule

[gdamore]

This hopefully addresses a long standing bug with Windows IPC sometimes hanging on shut down.

fixes #

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 81.79%. Comparing base (ec714f0) to head (d017a6a).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1956      +/-   ##
==========================================
- Coverage   81.87%   81.79%   -0.09%     
==========================================
  Files          94       94              
  Lines       24006    24006              
  Branches     3199     3199              
==========================================
- Hits        19655    19635      -20     
- Misses       4276     4299      +23     
+ Partials       75       72       -3     

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