Bug#34853213 Angel data node does not detect if child data node exits normally

Post push fix. NULL should be used instead of nullptr in MySQL Cluster
7.5 and 7.6 code since they are not using C++11 or newer.

Change-Id: I475c2002a50a5d5bfffa6e184615a797fe4968cd

Author: zmur

storage/ndb/src/kernel/angel.cpp

@@ -1,4 +1,4 @@
-/* Copyright (c) 2009, 2022, Oracle and/or its affiliates.
+/* Copyright (c) 2009, 2023, Oracle and/or its affiliates.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License, version 2.0,
@@ -418,7 +418,7 @@ spawn_process(const char* progname,
 #ifdef _WIN32
   // Get full path name of this executeble
   char path[MAX_PATH];
-  DWORD len = GetModuleFileName(nullptr, path, sizeof(path));
+  DWORD len = GetModuleFileName(NULL, path, sizeof(path));
   if (len == 0 || len == sizeof(path))
   {
     g_eventLogger->warning("spawn_process: Could not extract full path, "