Remove unneded headers

Commited in SoC by Vitor Sessak on 2008-02-09 23:35:19

Originally committed as revision 12044 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/avfilter.c

@@ -19,11 +19,6 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
 #include "avfilter.h"
 #include "allfilters.h"