TurtleArt doesn't start on amd64 due to 32bit alsaaudio.so in bundle

[sascha_silbe]

TurtleArt doesn't start on Ubuntu/amd64 (and probably any other non-i386 system):

Traceback (most recent call last):
  File "/home/sugar/sugar-jhbuild/install/bin/sugar-activity", line 21, in <module>
    main.main()
  File "/home/sugar/sugar-jhbuild/install/lib/python2.5/site-packages/sugar/activity/main.py", line 105, in main
    module = __import__(module_name)        
  File "/home/sugar/sugar-jhbuild/install/share/sugar/activities/TurtleArt.activity/TurtleArtActivity.py", line 21, in <module>
    import tawindow
  File "/home/sugar/sugar-jhbuild/install/share/sugar/activities/TurtleArt.activity/tawindow.py", line 38, in <module>
    from talogo import *
  File "/home/sugar/sugar-jhbuild/install/share/sugar/activities/TurtleArt.activity/talogo.py", line 30, in <module>
    from audiograb import AudioGrab
  File "/home/sugar/sugar-jhbuild/install/share/sugar/activities/TurtleArt.activity/audiograb.py", line 29, in <module>
    import alsaaudio
ImportError: /home/sugar/sugar-jhbuild/install/share/sugar/activities/TurtleArt.activity/alsaaudio.so: wrong ELF class: ELFCLASS32