[Boost-users] [iostreams] Fix for Ticket #11860

Bug Ticket ( https://svn.boost.org/trac/boost/ticket/11860  ) says  "Using iostreams causes lots of messages about deprecated header template_arity_spec.hpp". Thus to reduce messages about deprecated header, I created a pull request here https://github.com/boostorg/iostreams/pull/24  . Regards Gagan