--- ./nx-X11/programs/Xserver/include/dixstruct.h.X.original	2015-02-13 14:03:44.780440803 +0100
+++ ./nx-X11/programs/Xserver/include/dixstruct.h	2015-02-10 19:13:14.300667345 +0100
@@ -170,6 +170,9 @@
 extern Bool SmartScheduleIdle;
 extern Bool SmartScheduleTimerStopped;
 extern Bool SmartScheduleStartTimer(void);
+#ifdef NXAGENT_SERVER
+extern Bool SmartScheduleStopTimer(void);
+#endif
 #define SMART_MAX_PRIORITY  (20)
 #define SMART_MIN_PRIORITY  (-20)