Small fix to allow running the server daemon from command line

Change-Id: Icafa04e849d721ffeab97ff11336d94d87ddc9e5
diff --git a/lavapdu/socketserver.py b/lavapdu/socketserver.py
index 916b02d..4f103bf 100644
--- a/lavapdu/socketserver.py
+++ b/lavapdu/socketserver.py
@@ -143,5 +143,5 @@
     #                     "logging_level": logging.DEBUG,
     #                     "hostname": "0.0.0.0", "port": 16421}}
     #ss = ListenerServer(starter)
-    ss = ListenerServer(json_data)
-    ss.start()
\ No newline at end of file
+    ss = ListenerServer(json_data["daemon"])
+    ss.start()