[openssl/openssl] e661cc: poly1305: Properly copy the whole context on dup

[Tomas Mraz]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.openssl.org/openssl/openssl
  Commit: e661cc45502e173a0d748c5310c13475546dbdf2
      https://github.openssl.org/openssl/openssl/commit/e661cc45502e173a0d748c5310c13475546dbdf2
  Author: Tomas Mraz <tomas at openssl.org>
  Date:   2022-04-29 (Fri, 29 Apr 2022)

  Changed paths:
    M providers/implementations/macs/poly1305_prov.c

  Log Message:
  -----------
  poly1305: Properly copy the whole context on dup

Also reset the updated flag when Poly1305_Init is called.

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/18143)

(cherry picked from commit bbe909d00e9a593bd5954dfca4d3020467977565)