avcodec/videotoolbox: cleanups

No functional changes.
Signed-off-by: Aman Gupta <aman@tmm1.net>

libavcodec/videotoolbox.c

@@ -343,7 +343,7 @@ int ff_videotoolbox_h264_start_frame(AVCodecContext *avctx,
                                      uint32_t size)
 {
     VTContext *vtctx = avctx->internal->hwaccel_priv_data;
-    H264Context *h  = avctx->priv_data;
+    H264Context *h = avctx->priv_data;
 
     if (h->is_avc == 1) {
         return videotoolbox_buffer_copy(vtctx, buffer, size);
@@ -943,9 +943,7 @@ static int videotoolbox_hevc_end_frame(AVCodecContext *avctx)
     HEVCContext *h = avctx->priv_data;
     AVFrame *frame = h->ref->frame;
     VTContext *vtctx = avctx->internal->hwaccel_priv_data;
-    int ret;
-
-    ret = videotoolbox_common_end_frame(avctx, frame);
+    int ret = videotoolbox_common_end_frame(avctx, frame);
     vtctx->bitstream_size = 0;
     return ret;
 }