std.crypto.pwhash.bcrypt: inline the Feistel network function (#13416)

std/crypto/benchmark.zig results:

* Intel i5

before: 3.144 s/ops
 after: 1.922 s/ops

* Apple M1

before: 2.067 s/ops
 after: 1.373 s/ops
96793530cdFrank Denis committed on 11/3/2022, 12:10:08 PM· committed by GitHubparente64eef3
1 file changedLine totals unavailable