BIND 10 trac2347, created. d43dff9a9d08f925375ef6c58c26d4d32c526a9f [2347] Add missing <functional> include

[BIND 10 source code commits]

The branch, trac2347 has been created
        at  d43dff9a9d08f925375ef6c58c26d4d32c526a9f (commit)

- Log -----------------------------------------------------------------
commit d43dff9a9d08f925375ef6c58c26d4d32c526a9f
Author: Mukund Sivaraman <muks at isc.org>
Date:   Wed Jan 8 06:35:56 2014 +0530

    [2347] Add missing <functional> include
    
    This seems to be required on certain platforms (Visual Studio 2012) to
    use std::bind1st, std::not_equal_to, etc. On other platforms, it may
    have been transitively included.

-----------------------------------------------------------------------