Update set-smbclientconfiguration.md

[msbemba]

added description to -EnableInsecureGuestLogons

[opbld33]

Docs Build status updates of commit 983ab88:

✅ Validation status: passed

File	Status	Preview URL	Details
docset/windows/smbshare/set-smbclientconfiguration.md	✅Succeeded

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[opbld31]

Docs Build status updates of commit 3b2348a:

✅ Validation status: passed

File	Status	Preview URL	Details
docset/windows/smbshare/set-smbclientconfiguration.md	✅Succeeded
docset/winserver2012r2-ps/smbshare/Set-SmbClientConfiguration.md	✅Succeeded

For more details, please refer to the build report.

Note: If you changed an existing file name or deleted a file, broken links in other files to the deleted or renamed file are listed only in the full build report.

[o0nj]

Replacement of approved PR #1347 no further review necessary.