fix a few more ints

[dpo]

No description provided.

[codecov]

Codecov Report

Merging #48 (f4739df) into main (9a68c93) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #48   +/-   ##
=======================================
  Coverage   87.03%   87.03%           
=======================================
  Files           1        1           
  Lines         270      270           
=======================================
  Hits          235      235           
  Misses         35       35           

Impacted Files	Coverage Δ
src/LimitedLDLFactorizations.jl	87.03% <100.00%> (ø)

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