[openssl/openssl] 02be04: Fix a lock in provider_remove_store_methods()

[Matt Caswell]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 02be04e5359fc93279306fcbe3b0063311712fb2
      https://github.com/openssl/openssl/commit/02be04e5359fc93279306fcbe3b0063311712fb2
  Author: Matt Caswell <matt at openssl.org>
  Date:   2022-10-25 (Tue, 25 Oct 2022)

  Changed paths:
    M crypto/provider_core.c

  Log Message:
  -----------
  Fix a lock in provider_remove_store_methods()

We were taking a read lock. It should have been a write lock.

Fixes #19474

Reviewed-by: Tim Hudson <tjh at openssl.org>
Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19481)

(cherry picked from commit 6962e21b7c51480343db1a275f52525754dcbe44)