plone/plone.app.discussion — pull request #37 by bsuttor (2013-11-13 14:57:51+00:00)
Title: Use defaultUser.png instead of defaultUser.gif

Indeed, defaultUser.gif is in a deprecated skins folder (Products/CMFPlone/skins/plone_deprecated/defaultUser.gif) and not defaultUser.png (Products/CMFPlone/skins/plone_images/defaultUser.png).

Test is also updated.