Merge commit '0ec1642b'

* commit '0ec1642b':
  cmdutils: don't log an error in opt_default().
Merged-by: Michael Niedermayer <michaelni@gmx.at>

cmdutils.c

@@ -526,7 +526,6 @@ int opt_default(void *optctx, const char *opt, const char *arg)
 
     if (consumed)
         return 0;
-    av_log(NULL, AV_LOG_ERROR, "Unrecognized option '%s'\n", opt);
     return AVERROR_OPTION_NOT_FOUND;
 }