Minor cleanup in defragEntryFinishCbForKeys

[nadav-levanoni]

quick change

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.65%. Comparing base (d6a2f56) to head (2f1c49d).
Report is 1 commits behind head on 8.0.

Additional details and impacted files

@@            Coverage Diff             @@
##              8.0    #1562      +/-   ##
==========================================
+ Coverage   70.46%   70.65%   +0.18%     
==========================================
  Files         114      114              
  Lines       62947    62946       -1     
==========================================
+ Hits        44358    44474     +116     
+ Misses      18589    18472     -117     

Files with missing lines	Coverage Δ
src/defrag.c	84.24% <100.00%> (-2.28%)	⬇️

... and 14 files with indirect coverage changes

[enjoy-binbin]

oh shit, why this is targeting the 8.0 branch?

[enjoy-binbin]

We generally reduce unnecessary changes / cleanup in the release branch, which makes it easier to resolve the conflicts and doing cheery-pick.