make warning (catching polymorphic type) in jid-reader.cpp

[michaeldsmith]

building with latest master on Ubuntu, I get this warning in jid-reader.cpp

[ 62%] Building CXX object CMakeFiles/jid-reader.dir/src/main/jid-reader.cpp.o
/mnt/c/data/software/jid/src/main/jid-reader.cpp: In function ‘int main(int, const char**)’:
/mnt/c/data/software/jid/src/main/jid-reader.cpp:285:54: warning: catching polymorphic type ‘class boost::program_options::required_option’ by value [-Wcatch-value=]
  285 |     } catch (boost::program_options::required_option e) {
      |                                                      ^
/mnt/c/data/software/jid/src/main/jid-reader.cpp:290:33: warning: catching polymorphic type ‘class std::runtime_error’ by value [-Wcatch-value=]
  290 |     } catch (std::runtime_error e) {
      |                                 ^