Fix #13210. Port the Windows build from VS2008 to VS2010.
diff --git a/PC/pyconfig.h b/PC/pyconfig.h
index 3b71b47..d6de5f0 100644
--- a/PC/pyconfig.h
+++ b/PC/pyconfig.h
@@ -215,14 +215,19 @@
#define copysign _copysign
#define hypot _hypot
-#endif /* _MSC_VER */
+/* Side by Side assemblies supported in VS 2005 and VS 2008 but not 2010*/
+#if _MSC_VER >= 1400 && _MSC_VER < 1600
+#define HAVE_SXS 1
+#endif
/* define some ANSI types that are not defined in earlier Win headers */
-#if defined(_MSC_VER) && _MSC_VER >= 1200
+#if _MSC_VER >= 1200
/* This file only exists in VC 6.0 or higher */
#include <basetsd.h>
#endif
+#endif /* _MSC_VER */
+
/* ------------------------------------------------------------------------*/
/* The Borland compiler defines __BORLANDC__ */
/* XXX These defines are likely incomplete, but should be easy to fix. */