wav: remove a use of deprecated AV_METADATA_ macro

libavformat/wav.c

@@ -363,7 +363,7 @@ static int wav_parse_bext_tag(AVFormatContext *s, int64_t size)
 
         coding_history[size] = 0;
         if ((ret = av_dict_set(&s->metadata, "coding_history", coding_history,
-                               AV_METADATA_DONT_STRDUP_VAL)) < 0)
+                               AV_DICT_DONT_STRDUP_VAL)) < 0)
             return ret;
     }