Move to proper location.

coupler/opc-ua-server/keep_alive.h

+// OPC UA's Pub/Sub profile
+char *DEFAULT_TRANSPORT_PROFILE = "http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp";
+char *NETWORK_ADDRESS_URL_DATA_TYPE = "opc.udp://224.0.0.22:4840/";
+
 // global HEART BEATs of coupler
 static unsigned int HEART_BEATS = 0;
 

coupler/opc-ua-server/server.c

@@ -33,7 +33,7 @@
 #include <open62541/plugin/pubsub_ethernet.h>
 #include <open62541/plugin/pubsub_udp.h>
 
-// global Id of coupler
+// global ID of coupler
 static int COUPLER_ID = 0;
 
 // global server
@@ -47,10 +47,6 @@ const int DEFAULT_OPC_UA_PORT = 4840;
 const int DEFAULT_MODE = 0;
 const int DEFAULT_ID = 0;
 
-// OPC UA's Pub/Sub profile
-char *DEFAULT_TRANSPORT_PROFILE = "http://opcfoundation.org/UA-Profile/Transport/pubsub-udp-uadp";
-char *NETWORK_ADDRESS_URL_DATA_TYPE = "opc.udp://224.0.0.22:4840/";
-
 #include "keep_alive_publisher.h"
 #include "keep_alive_subscriber.h"