Fix typo jtprod_nln for quasi-Newton

[tmigot]

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[codecov]

Codecov Report

Merging #55 (2d8a544) into main (545f7b5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #55   +/-   ##
=======================================
  Coverage   95.28%   95.28%           
=======================================
  Files           6        6           
  Lines         742      742           
=======================================
  Hits          707      707           
  Misses         35       35           

Impacted Files	Coverage Δ
src/quasi-newton.jl	93.75% <ø> (ø)

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[github-actions]

Package name	latest	stable
ADNLPModels.jl
AmplNLReader.jl
CUTEst.jl
CaNNOLeS.jl
DCI.jl
JSOSolvers.jl
LLSModels.jl
NLPModelsIpopt.jl
NLPModelsJuMP.jl
NLPModelsTest.jl
Percival.jl
QuadraticModels.jl
SolverBenchmark.jl
SolverTools.jl