Christopher Davis 24150b26f6 Don't Use Array Unpackage for Status Code -> Error
the `status_codes` property is an array with integer keys and string
values, but the `$error` value in `SFTP::logError` was trying to be unpacked
from an array.

Seems to come from cee3f3cd4a8b469b8250cde6d130e2c06faae7ed, but even at
that commit the `status_codes` data structure was still an array.

This bug is only present in 3.X, 2.X release didn't unpack here:
a684f12065/phpseclib/Net/SFTP.php (L829)
2021-10-13 19:58:27 -05:00
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