Undo inclusion of Python.h. Remove HAVE_MEMCPY section.

Update Windows command line.

Modules/expat/xmlparse.c

@@ -2,9 +2,6 @@
    See the file COPYING for copying permission.
 */
 
-/* Added to look for memcpy */
-#include <Python.h>
-
 #include <stddef.h>
 #include <string.h>                     /* memset(), memcpy() */
 
@@ -86,15 +83,6 @@ typedef char ICHAR;
 /* Round up n to be a multiple of sz, where sz is a power of 2. */
 #define ROUND_UP(n, sz) (((n) + ((sz) - 1)) & ~((sz) - 1))
 
-/* Handle the case where memmove() doesn't exist. */
-#ifndef HAVE_MEMMOVE
-#ifdef HAVE_BCOPY
-#define memmove(d,s,l) bcopy((s),(d),(l))
-#else
-#error memmove does not exist on this platform, nor is a substitute available
-#endif /* HAVE_BCOPY */
-#endif /* HAVE_MEMMOVE */
-
 #include "internal.h"
 #include "xmltok.h"
 #include "xmlrole.h"