avcodec/libaomenc: use av_assert0()

Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/libaomenc.c

@@ -27,6 +27,7 @@
 #include <aom/aom_encoder.h>
 #include <aom/aomcx.h>
 
+#include "libavutil/avassert.h"
 #include "libavutil/base64.h"
 #include "libavutil/common.h"
 #include "libavutil/mathematics.h"
@@ -546,7 +547,7 @@ static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
 
                 /* avoid storing the frame when the list is empty and we haven't yet
                  * provided a frame for output */
-                assert(!ctx->coded_frame_list);
+                av_assert0(!ctx->coded_frame_list);
                 cx_pktcpy(&cx_frame, pkt);
                 size = storeframe(avctx, &cx_frame, pkt_out);
                 if (size < 0)