fix a typo

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@12879 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/avcodec.h

@@ -2239,7 +2239,7 @@ typedef struct AVCodec {
      */
     void (*flush)(AVCodecContext *);
     const AVRational *supported_framerates; ///< array of supported framerates, or NULL if any, array is terminated by {0,0}
-    const enum PixelFormat *pix_fmts;       ///< array of supported pixel formats, or NULL if unknown, array is terminanted by -1
+    const enum PixelFormat *pix_fmts;       ///< array of supported pixel formats, or NULL if unknown, array is terminated by -1
     const char *long_name;                  ///< descriptive name for the codec, meant to be more human readable than \p name
 } AVCodec;