test(packet_queue): fix uninitialised warning

[aloisklink]

Initialises a variable so we don't get an uninitialised warning.

[codecov]

Codecov Report

Merging #284 (451578c) into main (035e893) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 451578c differs from pull request most recent head bcc1c6c. Consider uploading reports for the commit bcc1c6c to get more accurate results

@@           Coverage Diff           @@
##             main     #284   +/-   ##
=======================================
  Coverage   49.03%   49.04%           
=======================================
  Files         116      116           
  Lines       18494    18496    +2     
=======================================
+ Hits         9069     9071    +2     
  Misses       9425     9425           

Impacted Files	Coverage Δ
tests/capture/middlewares/test_packet_queue.c	100.00% <100.00%> (ø)
tests/utils/test_os.c	98.24% <0.00%> (+<0.01%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.