dont put flies in the stdout soup patch by (Agent Smith <asmith at wgz dot com>)

Originally committed as revision 1277 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/mpeg12.c

@@ -1945,7 +1945,7 @@ static int mpeg_decode_frame(AVCodecContext *avctx,
                             *data_size = sizeof(AVPicture);
                             goto the_end;
                         }else if(ret<0){
-                            printf("Error while decoding slice\n");
+                            fprintf(stderr,"Error while decoding slice\n");
 			    if(ret==DECODE_SLICE_FATAL_ERROR) return -1;
                         }
                     }