For #783, use directly free to replace auto free

@@ -6,5 +6,6 @@ listen              19350;
 max_connections     1000;
 daemon              off;
 srs_log_tank        console;
+pid                 ./objs/origin.pid;
 vhost __defaultVhost__ {
 }

@@ -1873,7 +1873,6 @@ int SrsSource::on_video(SrsCommonMessage* shared_video)
     if (!m) {
         return ret;
     }
-    SrsAutoFree(SrsSharedPtrMessage, m);
     
     // consume the monotonically increase message.
     if (m->is_audio()) {
@@ -1881,6 +1880,7 @@ int SrsSource::on_video(SrsCommonMessage* shared_video)
     } else {
         ret = on_video_imp(m);
     }
+    srs_freep(m);
     
     return ret;
 }