Merge pull request #2402 from DOCGroup/mergify/bp/master/pr-2401

Add missing includes (backport #2401)

Author: jwillemsen

ACE/examples/Reactor/WFMO_Reactor/Window_Messages.cpp

@@ -10,14 +10,14 @@
  */
 //=============================================================================
 
-
 #include "ace/OS_main.h"
 
 #if defined (ACE_WIN32) && !defined (ACE_LACKS_MSG_WFMO)
 
 #include "ace/Msg_WFMO_Reactor.h"
 #include "ace/Reactor.h"
 #include "ace/Auto_Event.h"
+#include "ace/Truncate.h"
 #include <memory>
 
 class Event_Handler : public ACE_Event_Handler

ACE/examples/Threads/task_four.cpp

@@ -33,6 +33,7 @@
 #include "ace/OS_main.h"
 #include "ace/Task.h"
 #include "ace/Service_Config.h"
+#include "ace/Truncate.h"
 
 #if defined (ACE_HAS_THREADS)
 

ACE/examples/Threads/thread_pool.cpp

@@ -15,7 +15,7 @@
 #include "ace/OS_main.h"
 #include "ace/Task.h"
 #include "ace/Service_Config.h"
-
+#include "ace/Truncate.h"
 
 #if defined (ACE_HAS_THREADS)