Nikon D50 NEF import errors

[Konstantin Maslov <conma yandex ru>]

Hi.
    When I import some of my D50 NEFs I get an error message. F-Spot
still puts these photos to db, but thumbnails are too dark and F-Spot
does not show full size photos, just magnifies thumbnails. Perhaps these
photos was saved from Nikon Capture or Nikon Picture Project. Or there
is no preview jpeg inside. Other my NEFs is imported successfully. I've
try 0.4.2 and latest svn.

There is console output when F-Spot imports:

open uri =
file:///home/conma/Photos/2005/12/16/2005121601-file_0005-1.JPG
open uri =
file:///home/conma/pics-temp/2005/2005121601-file/2005121601-file_0009.NEF
Count is greater than 1 (2) on Subdirectory SubIFDs interesting
open uri =
file:///home/conma/Photos/2005/12/16/2005121601-file_0006-1.JPG
open uri =
file:///home/conma/Photos/2005/12/16/2005121601-file_0006-1.JPG
open uri =
file:///home/conma/pics-temp/2005/2005121601-file/2005121601-file_0009.NEF
Count is greater than 1 (2) on Subdirectory SubIFDs interesting
open uri =
file:///home/conma/pics-temp/2005/2005121601-file/2005121601-file_0009.NEF
open uri =
file:///home/conma/Photos/2005/12/16/2005121601-file_0009-1.NEF
Count is greater than 1 (2) on Subdirectory SubIFDs interesting
Error
importing /home/conma/pics-temp/2005/2005121601-file/2005121601-file_0009.NEF
System.ArgumentException: length
  at System.Array.Copy (System.Array sourceArray, Int32 sourceIndex,
System.Array destinationArray, Int32 destinationIndex, Int32 length)
[0x00000] 
  at FSpot.Tiff.CFAPattern..ctor (System.Byte[] raw_data, Boolean
little) [0x00000] 
  at FSpot.Tiff.Header.SelectDirectory (FSpot.Tiff.ImageDirectory dir,
StatementSink sink) [0x00000] 
  at FSpot.Tiff.NefFile.Select (StatementSink sink) [0x00000] 
  at FSpot.Xmp.XmpTagsImporter.Import (FSpot.Photo photo, System.String
path, System.String orig_path) [0x00000] 
  at FileImportBackend.Step (FSpot.Photo& photo, Gdk.Pixbuf& thumbnail,
System.Int32& count) [0x00000]