mboxd: Rename windows files

Change-Id: I44e110906fd0f751f8f34b175f971e65896a7301
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/vpnor/test/Makefile.am.include b/vpnor/test/Makefile.am.include
index d1c37c1..f0c6b1d 100644
--- a/vpnor/test/Makefile.am.include
+++ b/vpnor/test/Makefile.am.include
@@ -6,7 +6,7 @@
 TEST_MBOX_VPNOR_INTEG_SRCS = \
 	common.c \
 	mboxd_msg.c \
-	mboxd_windows.c \
+	windows.c \
 	lpc.c \
 	vpnor/lpc_reset.cpp \
 	vpnor/mboxd_pnor_partition_table.cpp \