vaapi_encode: Fix format specifier for bitrate logging

Same as e0df56f25d.  This was accidentally
reintroduced while merging c8241e730f.

libavcodec/vaapi_encode_h264.c

@@ -1130,7 +1130,7 @@ static av_cold int vaapi_encode_h264_configure(AVCodecContext *avctx)
         priv->fixed_qp_p   = 26;
         priv->fixed_qp_b   = 26;
 
-        av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %d bps.\n",
+        av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %"PRId64" bps.\n",
                avctx->bit_rate);
 
     } else {

libavcodec/vaapi_encode_h265.c

@@ -1190,7 +1190,7 @@ static av_cold int vaapi_encode_h265_configure(AVCodecContext *avctx)
         priv->fixed_qp_p   = 30;
         priv->fixed_qp_b   = 30;
 
-        av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %d bps.\n",
+        av_log(avctx, AV_LOG_DEBUG, "Using constant-bitrate = %"PRId64" bps.\n",
                avctx->bit_rate);
 
     } else {