Merge commit '612a5049'

* commit '612a5049':
  avserver: do not use a static string as a default for a string option

See: 19c41c6dMerged-by: Michael Niedermayer <michaelni@gmx.at>

ffserver.c

@@ -4673,6 +4673,8 @@ int main(int argc, char **argv)
 {
     struct sigaction sigact = { { 0 } };
 
+    config_filename = av_strdup("/etc/ffserver.conf");
+
     parse_loglevel(argc, argv, options);
     av_register_all();
     avformat_network_init();
@@ -4683,9 +4685,6 @@ int main(int argc, char **argv)
 
     parse_options(NULL, argc, argv, options, NULL);
 
-    if (!config_filename)
-        config_filename = av_strdup("/etc/ffserver.conf");
-
     unsetenv("http_proxy");             /* Kill the http_proxy */
 
     av_lfg_init(&random_state, av_get_random_seed());