changes the semantics slightly: Previously after a failed initialization
another invocation of InitializeDefault() could theoretically initialize the
converter. Since the only error conditions are out of memory and broken app
server connection, this shouldn't really matter, though.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@34383 a95241bf-73f2-0310-859d-f6bbb57e9c96