Match PSDK STATUS_* definitions.
diff --git a/server/mapping.c b/server/mapping.c
index 62d98c1..b6e99e4 100644
--- a/server/mapping.c
+++ b/server/mapping.c
@@ -28,6 +28,8 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
 #include "windef.h"
 #include "winternl.h"