If this doesn't happen to Windows/IE and Netscape customers, it is probably not particularly important.
http://beta.wikipedia.com/wiki/Special%3ARecentchanges
In mozilla, this page renders with the logo on top of the menu dropdown box and the "Go" button. (Also, above that, the "Main Page" and "Recent Changes" links have the logo on top of them.)
The features "under" the logo are all functional, it just looks ugly.