Snippets for librecad 2.2.1.3 from FreeBSD 150amd64

Sourced from https://pkg-status.freebsd.org/beefy23/data/latest-per-pkg/librecad/2.2.1.3/150amd64-default.log.

• /usr/local/include/boost/numeric/ublas/matrix_expression.hpp:110:20: warning: definition of implicit copy constructor for 'matrix_reference<boost::numeric::ublas::matrix<double>>' is deprecated because it has a user-provided copy assignment operator [-Wdeprecated-copy-with-user-provided-copy]
    110 |         matrix_reference &operator = (const matrix_reference &m) {
        |                           ^
  

• lib/engine/rs.cpp:73:20: warning: loop variable '[key, lineWidth]' creates a copy from type 'const value_type' (aka 'const pair<const int, RS2::LineWidth>') [-Wrange-loop-construct]
     73 |     for(const auto [key, lineWidth]: originalMap)
        |                    ^
  

• actions/rs_actiondefault.cpp:67:20: warning: unused variable 'minHighLightDuplicates' [-Wunused-const-variable]
     67 | constexpr unsigned minHighLightDuplicates = 4;
        |                    ^~~~~~~~~~~~~~~~~~~~~~
  

• actions/rs_actiondefault.cpp:68:20: warning: unused variable 'maxHighLightDuplicates' [-Wunused-const-variable]
     68 | constexpr unsigned maxHighLightDuplicates = 20;
        |                    ^~~~~~~~~~~~~~~~~~~~~~
  

• ui/lc_filedialogservice.cpp:87:11: warning: unused variable 'numberOf_openFileModes' [-Wunused-const-variable]
     87 | const int numberOf_openFileModes = 0;
        |           ^~~~~~~~~~~~~~~~~~~~~~
  

• ui/lc_filedialogservice.cpp:111:11: warning: unused variable 'defaultFilters_indices' [-Wunused-const-variable]
    111 | const int defaultFilters_indices[] =
        |           ^~~~~~~~~~~~~~~~~~~~~~
  

• actions/lc_actionlayersexport.cpp:131:19: warning: private field 'm_list' is not used [-Wunused-private-field]
    131 |     RS_LayerList* m_list=nullptr;
        |                   ^
  

• ui/qg_graphicview.cpp:634:14: warning: comparison of different enumeration types in switch statement ('TabletDevice' and 'QTabletEvent::PointerType') [-Wenum-compare-switch]
    630 |         switch (e->deviceType()) {
        |                 ~~~~~~~~~~~~~~~
    631 | #else
    632 |         switch (e->device()) {
    633 | #endif
    634 |         case QTabletEvent::Eraser:
        |              ^~~~~~~~~~~~~~~~~~~~