Remove unused variables picture_crop_temp and picture_pad_temp.

Originally committed as revision 25530 to svn://svn.ffmpeg.org/ffmpeg/trunk

ffmpeg.c

@@ -1064,13 +1064,9 @@ static void do_video_out(AVFormatContext *s,
 {
     int nb_frames, i, ret;
     AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
-    AVFrame picture_crop_temp, picture_pad_temp;
     AVCodecContext *enc, *dec;
     double sync_ipts;
 
-    avcodec_get_frame_defaults(&picture_crop_temp);
-    avcodec_get_frame_defaults(&picture_pad_temp);
-
     enc = ost->st->codec;
     dec = ist->st->codec;