Snippets for zbar 0.23.93 from Alpine armhf

Sourced from https://build.alpinelinux.org/buildlogs/build-edge-armhf/community/zbar/zbar-0.23.93-r2.log.

• ./include/zbar/Symbol.h:145:39: warning: 'template<class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> struct std::iterator' is deprecated [-Wdeprecated-declarations]
    145 |     class PointIterator : public std::iterator<std::input_iterator_tag, Point>
        |                                       ^~~~~~~~
  

• ./include/zbar/Symbol.h:425:36: warning: 'template<class _Category, class _Tp, class _Distance, class _Pointer, class _Reference> struct std::iterator' is deprecated [-Wdeprecated-declarations]
    425 | class SymbolIterator : public std::iterator<std::input_iterator_tag, Symbol>
        |                                    ^~~~~~~~