Include missing headers breaking VS2019 version 16.6 nightly builds

[BillyONeal]

Include the right headers in kdf_sha_crypt.cc:

• <stddef.h> for size_t
• <cstdlib> for std::strtol
• <tuple> for std::tie (this is the one that broke the build)
• <iterator> for std::distance

Include the right headers in kdf_pbkdf2.cc:

• <stdint.h> for uint8_t
• <cstdlib> for std::strotl
• <tuple> for std::tie (this is the one that broke the build)
• <iterator> for std::distance

Include the right headers in http_auth_method_basic.cc:

• <iterator> for std::back_inserter (this is the one that broke the build)
• <system_error> for std::make_error_code and std::errc

Failing output was:

F:\gitP\mysql\mysql-server\router\src\http\src\kdf_sha_crypt.cc(71): error C2039: 'tie': is not a member of 'std' [F:\gitP\mysql\mysql-server\build_amd64\router\src\http\src\http_auth_backend_lib.vcxproj]
F:\gitP\mysql\mysql-server\router\src\http\src\kdf_sha_crypt.cc(71): error C3861: 'tie': identifier not found [F:\gitP\mysql\mysql-server\build_amd64\router\src\http\src\http_auth_backend_lib.vcxproj]
F:\gitP\mysql\mysql-server\router\src\http\src\kdf_pbkdf2.cc(79): error C2039: 'tie': is not a member of 'std' [F:\gitP\mysql\mysql-server\build_amd64\router\src\http\src\http_auth_backend_lib.vcxproj]
F:\gitP\mysql\mysql-server\router\src\http\src\kdf_pbkdf2.cc(79): error C3861: 'tie': identifier not found [F:\gitP\mysql\mysql-server\build_amd64\router\src\http\src\http_auth_backend_lib.vcxproj]

[BillyONeal]

This was exposed in MySQL by microsoft/STL#482

[mysql-oca-bot]

Hi, thank you for submitting this pull request. In order to consider your code we need you to sign the Oracle Contribution Agreement (OCA). Please review the details and follow the instructions at http://www.oracle.com/technetwork/community/oca-486395.html
Please make sure to include your MySQL bug system user (email) in the returned form.
Thanks

[BillyONeal]

Hello @mysql-oca-bot ! I'm contributing this as "Microsoft Corporation", and it looks like we already signed according to the page to which you linked.

[mysql-admin]

@BillyONeal :Sorry for the delay in response. Please see direct email reply

Thanks
==Omer

[mysql-oca-bot]

Hi, thank you for your contribution. Please confirm this code is submitted under the terms of the OCA (Oracle's Contribution Agreement) you have previously signed by cutting and pasting the following text as a comment:
"I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it."
Thanks

[BillyONeal]

I confirm the code being submitted is offered under the terms of the OCA, and that I am authorized to contribute it.

[BillyONeal]

Specifically, being contributed by "Microsoft Corporation" which has signed the OCA. My work email address is bion at microsoft dot com; I created a MySQL bug tracker account with that address.

[mysql-oca-bot]

Hi, thank you for your contribution. Your code has been assigned to an internal queue. Please follow
bug http://bugs.mysql.com/bug.php?id=98880 for updates.
Thanks