Log Message:
proftpd: Update to 1.3.7f, and fix msgfmt.

1.3.7f
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1.3.7e
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  + Ensure that mod_sftp algorithms work properly when OpenSSL 3.x is used.

1.3.7d
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  + Improved consistency/support for name-based virtual hosts.
  + Fixed crashes due to very long lines in AuthGroupFiles (Issue #1321).