Lagarith decoder by Nathan Caldwell, saintdev at gmail

Originally committed as revision 26270 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/allcodecs.c

@@ -128,6 +128,7 @@ void avcodec_register_all(void)
     REGISTER_ENCDEC  (JPEGLS, jpegls);
     REGISTER_DECODER (KGV1, kgv1);
     REGISTER_DECODER (KMVC, kmvc);
+    REGISTER_DECODER (LAGARITH, lagarith);
     REGISTER_ENCODER (LJPEG, ljpeg);
     REGISTER_DECODER (LOCO, loco);
     REGISTER_DECODER (MDEC, mdec);