Implement a TODO(ed)

Aparently the static analysers have gotten smarter, as has my
understanding of operator[] on std::array.  Fix the character array to
not use c style arrays.

Tested:
Should have no impact.  Will test using webui to verify that sessions
are still generated properly.

Signed-off-by: Ed Tanous <ed.tanous@intel.com>
Change-Id: Iaa6cbac7594dfb0c83383ff62fc591dd1d786547