disable libtheora, this change leaves all the libtheora related code in svn for now but just disables it in configure

IMO libtheora support should be completely removed but at least under no circumstances must it disable or override our native decoder by default

Originally committed as revision 5812 to svn://svn.ffmpeg.org/ffmpeg/trunk

configure

@@ -32,7 +32,6 @@ show_help(){
   echo "  --enable-mp3lame         enable MP3 encoding via libmp3lame [default=no]"
   echo "  --enable-libogg          enable Ogg support via libogg [default=no]"
   echo "  --enable-vorbis          enable Vorbis support via libvorbis [default=no]"
-  echo "  --enable-theora          enable Theora support via libtheora [default=no]"
   echo "  --enable-faad            enable FAAD support via libfaad [default=no]"
   echo "  --enable-faadbin         build FAAD support with runtime linking [default=no]"
   echo "  --enable-faac            enable FAAC support via libfaac [default=no]"
@@ -764,9 +763,6 @@ for opt do
   --enable-vorbis) vorbis="yes"
     pkg_requires="$pkg_requires vorbis vorbisenc"
   ;;
-  --enable-theora) theora="yes"
-    pkg_requires="$pkg_requires theora"
-  ;;
   --enable-faad) faad="yes"
   ;;
   --enable-faadbin) faadbin="yes"
@@ -1514,7 +1510,6 @@ echo "libgsm enabled   $libgsm"
 echo "mp3lame enabled  $mp3lame"
 echo "libogg enabled   $libogg"
 echo "Vorbis enabled   $vorbis"
-echo "Theora enabled   $theora"
 echo "FAAD enabled     $faad"
 echo "faadbin enabled  $faadbin"
 echo "FAAC enabled     $faac"