oops forgot

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@2416 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavcodec/faandct.c

@@ -16,6 +16,7 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
+ * this implementation is based upon the IJG integer AAN DCT (see jfdctfst.c)
  */
 
 /**