diff -rupN Python-2.7.13/Modules/signalmodule.c Python-2.7.13-new/Modules/signalmodule.c
--- Python-2.7.13/Modules/signalmodule.c	2016-12-17 21:05:07.000000000 +0100
+++ Python-2.7.13-new/Modules/signalmodule.c	2017-01-21 01:46:04.509628876 +0100
@@ -7,7 +7,7 @@
 #include "intrcheck.h"
 
 #ifdef MS_WINDOWS
-#include <Windows.h>
+#include <windows.h>
 #ifdef HAVE_PROCESS_H
 #include <process.h>
 #endif
diff -rupN Python-2.7.13/Modules/socketmodule.h Python-2.7.13-new/Modules/socketmodule.h
--- Python-2.7.13/Modules/socketmodule.h	2016-12-17 21:05:07.000000000 +0100
+++ Python-2.7.13-new/Modules/socketmodule.h	2017-01-21 01:46:04.509628876 +0100
@@ -21,7 +21,7 @@
  * I use SIO_GET_MULTICAST_FILTER to detect a decent SDK.
  */
 # ifdef SIO_GET_MULTICAST_FILTER
-#  include <MSTcpIP.h> /* for SIO_RCVALL */
+#  include <mstcpip.h> /* for SIO_RCVALL */
 #  define HAVE_ADDRINFO
 #  define HAVE_SOCKADDR_STORAGE
 #  define HAVE_GETADDRINFO