Fix request #5556: Incorrect icons for MS Office documents with macros

Change-Id: I0c600dc335f72fb8d33231d7823059ba045a5985
Merge commit 'refs/changes/24/1424/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #5556: Incorrect icons for MS Office documents with macros

Change-Id: Ic78aac50984cce54e7042053ffe5710b4de50dba
Tuleap 6.6.99.33

Change-Id: Ib5f749b0e0f382f3fa1ea59d0188a41d4d5112cc