typo when setting NRN_COVERAGE_FLAGS

[nrnhines]

Also Closes #2328

[azure-pipelines]

✔️ 8c93cb8 -> Azure artifacts URL

[codecov]

Codecov Report

Merging #2530 (8c93cb8) into master (f1db2b5) will decrease coverage by 0.01%.
The diff coverage is n/a.

❗ Current head 8c93cb8 differs from pull request most recent head bae398e. Consider uploading reports for the commit bae398e to get more accurate results

@@            Coverage Diff             @@
##           master    #2530      +/-   ##
==========================================
- Coverage   61.48%   61.48%   -0.01%     
==========================================
  Files         623      623              
  Lines      119153   119153              
==========================================
- Hits        73264    73261       -3     
- Misses      45889    45892       +3     

see 1 file with indirect coverage changes

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[azure-pipelines]

✔️ bae398e -> Azure artifacts URL

[bbpbuildbot]

Logfiles from GitLab pipeline #155273 (:no_entry:) have been uploaded here!

Status and direct links:

• ✅ mac_m1_cmake_build: [cmake, ON, OFF, OFF, address]
• ✅ spack_setup
• ✅ build:nmodl
• ✅ build:neuron:nmodl:intel:legacy
• ✅ build:neuron:nmodl:intel:shared
• ✅ build:neuron:nmodl:nvhpc:acc:legacy
• ✅ build:neuron:nmodl:nvhpc:acc:shared
• ✅ build:neuron:nmodl:nvhpc:omp:legacy
• ✅ build:neuron:nmodl:nvhpc:omp
• ⛔ test:neuron:nmodl:intel:legacy
• ⛔ test:neuron:nmodl:intel:shared
• ✅ test:neuron:nmodl:nvhpc:acc:legacy
• ✅ test:neuron:nmodl:nvhpc:acc:shared
• ✅ test:neuron:nmodl:nvhpc:omp:legacy
• ✅ test:neuron:nmodl:nvhpc:omp