chore: place xdgconfigdirs inside the for loop.

[cnjhb]

xdgconfigdirs is only used within the for loop, so we should place it directly inside the for loop.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.46%. Comparing base (39143f0) to head (644c9b8).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4068      +/-   ##
==========================================
+ Coverage   90.44%   90.46%   +0.01%     
==========================================
  Files         939      939              
  Lines       60346    60346              
  Branches     1145     1145              
==========================================
+ Hits        54582    54590       +8     
+ Misses       5254     5249       -5     
+ Partials      510      507       -3     

Files with missing lines	Coverage Δ
awesome.c	71.87% <100.00%> (-0.07%)	⬇️

... and 2 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[actionless]

thanks!