This is what comment above definition says and change fixes issue with
32bit build where BLOCK_POOL_MEMFD_SIZE is used as ftruncate parameter
and constant currently gets converted from 4294967296 to 0.
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Plamena Manolova <plamena.manolova@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>