Support set RTC stun timeout

trunk/src/app/srs_app_config.cpp

@@ -3876,7 +3876,7 @@ srs_error_t SrsConfig::check_normal_config()
             } else if (n == "rtc") {
                 for (int j = 0; j < (int)conf->directives.size(); j++) {
                     string m = conf->at(j)->name;
-                    if (m != "enabled" && m != "bframe" && m != "aac") {
+                    if (m != "enabled" && m != "bframe" && m != "aac" && m != "stun_timeout") {
                         return srs_error_new(ERROR_SYSTEM_CONFIG_INVALID, "illegal vhost.rtc.%s of %s", m.c_str(), vhost->arg0().c_str());
                     }
                 }

trunk/src/app/srs_app_config.hpp

@@ -525,7 +525,6 @@ public:
     virtual bool get_rtc_server_ecdsa();
     virtual int get_rtc_server_sendmmsg();
     virtual bool get_rtc_server_encrypt();
-    virtual bool get_rtc_server_encrypt();
 
     SrsConfDirective* get_rtc(std::string vhost);
     bool get_rtc_enabled(std::string vhost);