Updating shared mime info database complains unknow mime

[xiamx]

>>> Installing (1 of 1) media-gfx/inkscape-0.46-r5
* No GNOME 2 GConf schemas found
* Updating desktop mime database ...
* Updating shared mime info database ...
Unknown media type in type 'all/all'

Unknown media type in type 'all/allfiles'

Unknown media type in type 'uri/mms'

Unknown media type in type 'uri/mmst'

Unknown media type in type 'uri/mmsu'

Unknown media type in type 'uri/pnm'

Unknown media type in type 'uri/rtspt'

Unknown media type in type 'uri/rtspu'

Unknown media type in type 'fonts/package'

Unknown media type in type 'interface/x-winamp-skin'


>>> Recording media-gfx/inkscape in "world" favorites file...
>>> Auto-cleaning packages...

Unknown media type in type 'all/allfiles' and similar message shown every time when emerge call Updating shared mime info database

Is there anyway to fix this?