undo CL 64820044 / 4f9dee8402af
undo CL 64820044 / 4f9dee8402af

Callers of md5.Sum should do so to avoid allocations, the example did not demonstate this property.

««« original CL description
crypto/md5: add example for Sum

LGTM=dave
R=golang-codereviews, dave
CC=golang-codereviews
https://codereview.appspot.com/64820044

Committer: Dave Cheney <dave@cheney.net>
»»»

LGTM=minux.ma
R=r, minux.ma
CC=golang-codereviews
https://codereview.appspot.com/65180043

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