Fix request #7573: sftp browser information: wrong size unit shown

Change-Id: I7ab513be7dd82e6580d8b20b7ae5d4dd8d0bd725
Merge commit 'refs/changes/65/3165/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #7573: sftp browser information: wrong size unit shown
This is Tuleap 7.6.99.18

Change-Id: I5e7624e19a45969fb58d08788b482994bd1a6a58