DriverBenchDiffApplyN: ignore empty branch (staticcheck)
suppressing the "SA9003: empty branch (staticcheck)" instead of commenting-out
or removing these lines because removing/commenting these lines causes a ripple
effect of changes, and there's still a to-do below.
```
13:06:14 daemon/graphdriver/graphtest/graphbench_unix.go:175:3: SA9003: empty branch (staticcheck)
13:06:14 		if applyDiffSize != diffSize {
```
@@ -172,6 +172,10 @@ func DriverBenchDiffApplyN(b *testing.B, fileCount int, drivername string, drive
b.StopTimer()
arch.Close()
+ // suppressing "SA9003: empty branch (staticcheck)" instead of commenting-out/removing
+ // these lines because removing/commenting these lines causes a ripple effect
+ // of changes, and there's still a to-do below
+ //nolint:staticcheck
if applyDiffSize != diffSize {
// TODO: enforce this
//b.Fatalf("Apply diff size different, got %d, expected %s", applyDiffSize, diffSize)
