stop wasting power at shutdown

reactos/ntoskrnl/ex

diff -u -r1.24 -r1.25
--- power.c	15 Aug 2004 16:39:01 -0000	1.24
+++ power.c	21 Aug 2004 15:29:08 -0000	1.25
@@ -49,11 +49,10 @@

 #else
         PopSetSystemPowerState(PowerSystemShutdown);
 

-	Ke386DisableInterrupts();
-

 	while (TRUE)
 	  {

-	    ;

+	    Ke386DisableInterrupts();
+	    Ke386HaltProcessor();

 	  }
 #endif
      }