Match PSDK STATUS_* definitions.
diff --git a/server/process.c b/server/process.c
index a5db274..fab6761 100644
--- a/server/process.c
+++ b/server/process.c
@@ -37,6 +37,8 @@
 #include <poll.h>
 #endif
 
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
 #include "winternl.h"
 
 #include "file.h"