updated ffmpeg2theora thusnelda builds

Following the libtheora 1.1alpha2 (thusnelda) release, i updated the
preview binaries of ffmpeg2htoera.

my latest builds can be found here:

linux 32bit
 http://firefogg.org/nightly/ffmpeg2theora.linux
macosx universal binary
 http://firefogg.org/nightly/ffmpeg2theora.macosx
windows 32bit
 http://firefogg.org/nightly/ffmpeg2theora.exe

enjoy end report problems,
j