Initialize naccess_total to zero
Initialize naccess_total to zero

Static analysis by CoverityScan detected that naccess_total can be
accessed when it is not unitialized, so initialize it to zero.

CID 136427 (#1 of 1): Uninitialized scalar variable (UNINIT)
  uninit_use_in_call: Using uninitialized value naccess_total when
  calling accdst_data_save.

Signed-off-by: Colin Ian King <d100aa70785e45ee8deab668147d941941915c21@canonical.com>

intel/numatop,01org/numatop,ColinIanKing/numatop,ColinIanKing/numatop,ColinIanKing/numatop,intel/numatop,01org/numatop