avformat/hls: fix some cases of HLS streams which require cookies

Broken by commit ba12ba85. This only
happens with HLS streams which use encryption and require preserving
cookies sent by the server.

Fixes trac issue #4846.

libavformat/hls.c

@@ -516,15 +516,11 @@ static int url_connect(struct playlist *pls, AVDictionary *opts, AVDictionary *o
     av_dict_copy(&tmp, opts, 0);
     av_dict_copy(&tmp, opts2, 0);
 
-    if ((ret = av_opt_set_dict(pls->input, &tmp)) < 0)
-        goto fail;
-
-    if ((ret = ffurl_connect(pls->input, NULL)) < 0) {
+    if ((ret = ffurl_connect(pls->input, &tmp)) < 0) {
         ffurl_close(pls->input);
         pls->input = NULL;
     }
 
-fail:
     av_dict_free(&tmp);
     return ret;
 }