log *after* reloading log config

... because logging *before* reloading means the log message gets lost in the old MemoryLogger

synapse/config/logger.py

@@ -193,9 +193,8 @@ def setup_logging(config, use_worker_options=False):
 
         def sighup(signum, stack):
             # it might be better to use a file watcher or something for this.
-            logging.info("Reloading log config from %s due to SIGHUP",
-                         log_config)
             load_log_config()
+            logging.info("Reloaded log config from %s due to SIGHUP", log_config)
 
         load_log_config()