mboxd: Rename windows files

Change-Id: I44e110906fd0f751f8f34b175f971e65896a7301
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/mboxd.c b/mboxd.c
index 634ae03..2e9f10f 100644
--- a/mboxd.c
+++ b/mboxd.c
@@ -34,7 +34,7 @@
 #include "flash.h"
 #include "lpc.h"
 #include "mboxd_msg.h"
-#include "mboxd_windows.h"
+#include "windows.h"
 #include "vpnor/mboxd_pnor_partition_table.h"
 
 #define USAGE \