Fixed two instances of addNode calls that are were missing the createdNode return argument in response to #306.

examples/server_method.c

@@ -67,7 +67,7 @@ int main(int argc, char** argv) {
         
     UA_Server_addMethodNode(server, UA_QUALIFIEDNAME(1, "hello world"), UA_NODEID_NUMERIC(1,62541),
                             UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
-                            &helloWorldMethod, 1, &inputArguments, 1, &outputArguments);
+                            &helloWorldMethod, 1, &inputArguments, 1, &outputArguments, NULL);
 
     /* start server */
     UA_StatusCode retval = UA_Server_run(server, 1, &running); //blocks until running=false

examples/server_variable.c

@@ -39,7 +39,7 @@ int main(int argc, char** argv) {
     UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
     UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
     UA_Server_addVariableNode(server, myIntegerVariant, myIntegerName,
-                              myIntegerNodeId, parentNodeId, parentReferenceNodeId);
+                              myIntegerNodeId, parentNodeId, parentReferenceNodeId, NULL);
 
     UA_StatusCode retval = UA_Server_run(server, 1, &running);
     UA_Server_delete(server);