Fix warning when displaying avatar for anonymous user

Change-Id: If51e4a80050ef876e3504057ab73c8fa770486be
Story #5695: add sftp service icon

Change-Id: If6805b82573a9b58c693413c5f66100fed4c7cb1
Merge commit 'refs/changes/98/1698/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix warning when displaying avatar for anonymous user

Change-Id: I58776fb3921ef04c62c527f9e950b0dca93a443b
This is Tuleap 6.9.99.26

Change-Id: Icd426a33a2b0ad4385c8bc188104e5c4c8aa7389
Merge commit 'refs/changes/29/1729/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Story #5695: add sftp service icon

Change-Id: I30b0e20e86a16a05ae8dec6c4f6f842843422418
This is Tuleap 6.9.99.27

Change-Id: I02212af884be354c5ebb8652b8a1b838fc38ef5e