Fix sonarqube issues

[fspindle]

No description provided.

[codecov]

Codecov Report

Attention: 15 lines in your changes are missing coverage. Please review.

Comparison is base (c449424) 54.44% compared to head (6ed2b20) 54.44%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1242      +/-   ##
==========================================
- Coverage   54.44%   54.44%   -0.01%     
==========================================
  Files         403      403              
  Lines       49841    49834       -7     
==========================================
- Hits        27134    27130       -4     
+ Misses      22707    22704       -3     

Files	Coverage Δ
modules/core/include/visp3/core/vpColVector.h	79.16% <100.00%> (+0.44%)	⬆️
modules/core/include/visp3/core/vpException.h	100.00% <ø> (ø)
modules/core/include/visp3/core/vpRxyzVector.h	50.00% <ø> (ø)
modules/core/include/visp3/core/vpRzyxVector.h	100.00% <ø> (ø)
modules/core/include/visp3/core/vpRzyzVector.h	100.00% <ø> (ø)
modules/core/include/visp3/core/vpThetaUVector.h	100.00% <ø> (ø)
modules/core/src/math/matrix/vpMatrix.cpp	61.88% <ø> (ø)
modules/core/src/math/matrix/vpRowVector.cpp	65.40% <ø> (ø)
...ore/src/math/transformation/vpForceTwistMatrix.cpp	16.15% <ø> (ø)
...re/src/math/transformation/vpHomogeneousMatrix.cpp	52.79% <ø> (ø)
... and 16 more

... and 4 files with indirect coverage changes

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