Use of unkeyed struct literals is flagged as an issue by vet as
reordering the definition of fields in a struct can be problematic. It's
also an anti-pattern with respect to "useful" zero values in idiomatic
go.

Change-Id: I440484a5baf214364b964b157ecbd31df389a59f
Signed-off-by: Matthew Sykes <sykesmat@us.ibm.com>