fix spindown logic

[carns]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 57.88%. Comparing base (9a8f422) to head (6dc8d94).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/margo-core.c	60.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #295      +/-   ##
==========================================
- Coverage   57.88%   57.88%   -0.01%     
==========================================
  Files          70       70              
  Lines       10181    10183       +2     
  Branches     1337     1338       +1     
==========================================
+ Hits         5893     5894       +1     
  Misses       3453     3453              
- Partials      835      836       +1     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.