allcodecs: reorder ff_bitpacked_decoder

Needs to be in alphabetical order.
Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>

libavcodec/allcodecs.c

@@ -58,6 +58,7 @@ extern AVCodec ff_ayuv_decoder;
 extern AVCodec ff_bethsoftvid_decoder;
 extern AVCodec ff_bfi_decoder;
 extern AVCodec ff_bink_decoder;
+extern AVCodec ff_bitpacked_decoder;
 extern AVCodec ff_bmp_encoder;
 extern AVCodec ff_bmp_decoder;
 extern AVCodec ff_bmv_video_decoder;
@@ -335,7 +336,6 @@ extern AVCodec ff_vp9_decoder;
 extern AVCodec ff_vp9_rkmpp_decoder;
 extern AVCodec ff_vp9_v4l2m2m_decoder;
 extern AVCodec ff_vqa_decoder;
-extern AVCodec ff_bitpacked_decoder;
 extern AVCodec ff_webp_decoder;
 extern AVCodec ff_wrapped_avframe_encoder;
 extern AVCodec ff_wrapped_avframe_decoder;