[RM-8633] [code] Remove compilation warnings at swig stage

Created on 2024-02-02 10:30:29 by Ali Allaoui. % Done: 0

@boost/smart_ptr/detail/shared_count.hpp:395:33: warning: ‘template<class> class std::auto_ptr’ is deprecated [-Wdeprecated-declarations]
395 | explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() )@ -> Upgrade boost ?
@net/CESAM/amazed/venvs/shared/include/boost/mpl/assert.hpp: At global scope:
/net/CESAM/amazed/venvs/shared/include/boost/mpl/assert.hpp:188:21: warning: unnecessary parentheses in declaration of ‘assert_arg’ [-Wparentheses]
188 | failed ************ (Pred::************@ idem

@ RedshiftLibrary/RedshiftLibrary/linemodel/abstractfitter.h:120:19: warning: comparison of integer expressions of different signedness: ‘std::__shared_ptr_access<int, __gnu_cxx::_S_atomic, false, false>::element_type’

{aka ‘int’}

and ‘std::vector<std::shared_ptr<const NSEpic::CSpectrum> >::size_type’

{aka ‘long unsigned int’}

[-Wsign-compare]
120 | if (*m_curObs >= m_inputSpcs->size())
@
fix other lines in abstractfitter.h and in continuummanager.h