Added missing array_wrapper.hpp

[oxidase]

related commit boostorg/serialization@6b33d1c
leads for boost/geometry.hpp to an error

/home/miha/foss/boost/boost/numeric/ublas/storage.hpp: In member function ‘void boost::numeric::ublas::unbounded_array<T, ALLOC>::serialize(Archive&, unsigned int)’:
/home/miha/foss/boost/boost/numeric/ublas/storage.hpp:331:18: error: ‘make_array’ is not a member of ‘boost::serialization’
             ar & serialization::make_array(data_, s);
                  ^~~~~~~~~~~~~

[oxidase]

Superseded by #46