Updated ZeroOut to use a simple for loop.

[chewxy]

See also: https://github.com/dgraph-io/ristretto-benchmarks/tree/main/zeroout

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This change is 

[manishrjain]

Reviewable status: 0 of 1 files reviewed, 2 unresolved discussions (waiting on @chewxy, @jarifibrahim, @manishrjain, and @martinmr)

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z/z.go, line 138 at r1 (raw file):

	}
	n := end - start
	if n <= 0 {

if end - start <= 0

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z/z.go, line 143 at r1 (raw file):

	b := dst[start:end]
	for i := range b {
		b[i] = 0

b[i] = 0x00

[chewxy]

Reviewable status: 0 of 1 files reviewed, 2 unresolved discussions (waiting on @jarifibrahim, @manishrjain, and @martinmr)

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z/z.go, line 138 at r1 (raw file):

Previously, manishrjain (Manish R Jain) wrote…

if end - start <= 0

Done.

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z/z.go, line 143 at r1 (raw file):

Previously, manishrjain (Manish R Jain) wrote…

b[i] = 0x00

Done.