small fix in imports in the examples folder. decrypt specialized with… #1796

Job	Run time
cargo-lint / cargo-doc / doc	41s
cargo-lint / cargo-dry-publish / publish	3s
cargo-lint / cargo-semver / Check semver	34s
cargo-lint / cargo-nursery-base / cargo-audit / Audit	3m 43s
cargo-lint / cargo-nursery-base / cargo-lint / lint	1m 38s
cleanup	0s
cargo-publish	0s
	6m 39s

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