Mail: Upgrade PHPMailer to 5.2.21.

Merges [39645], [36083], [33142], [33124], [29783], [27385] to the 3.7 branch.
See #37210.

Built from https://develop.svn.wordpress.org/branches/3.7@39731


git-svn-id: http://core.svn.wordpress.org/branches/3.7@39671 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2017-01-06 22:07:14 +00:00
parent b01225018a
commit 45af63e137
2 changed files with 5020 additions and 3637 deletions

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