Fix exception handling by not reseting PreviousMode to kernel when a user-mode exception occurs. This fixes some winetest bugchecks

Modified: trunk/reactos/lib/rtl/exception.c

--- trunk/reactos/lib/rtl/exception.c	2005-08-08 22:14:04 UTC (rev 17220)
+++ trunk/reactos/lib/rtl/exception.c	2005-08-09 00:02:24 UTC (rev 17221)
@@ -67,7 +67,7 @@

   ExceptionRecord->ExceptionAddress = (PVOID)(*(((PULONG)Context.Ebp)+1));
   Context.ContextFlags = CONTEXT_FULL;
 

-  Status = ZwRaiseException(ExceptionRecord, &Context, TRUE);

+  Status = NtRaiseException(ExceptionRecord, &Context, TRUE);

   RtlRaiseException(ExceptionRecord);
   RtlRaiseStatus(Status);
 }