Disable speex on BeOs.

extras/contrib/src/Makefile

@@ -158,14 +158,16 @@ else
 	.a52 .mpeg2 .id3tag .mad .ogg .vorbis .vorbisenc .theora \
 	.FLAC .speex .faad .faac .lame .ebml .matroska .ffmpeg .dvdcss \
 	.dvdnav .dvbpsi .aclocal .libdca
+   #.speex seems
   else
 # Cross compiling: we already have the Linux tools, only build the
 # libraries now
    all: .iconv .intl .freetype .fribidi \
 	.a52 .mpeg2 .id3tag .mad .ogg .vorbis .vorbisenc .theora \
-	.FLAC .speex .faad .faac .lame .twolame .ebml .matroska .ffmpeg .dvdcss \
+	.FLAC .faad .faac .lame .twolame .ebml .matroska .ffmpeg .dvdcss \
 	.dvdnav .dvbpsi .aclocal .libdca
   endif
+  #.speex
  else
 
   ifdef HAVE_WIN32