Remove redundant include windows.h from headers (msftc/x86[_64])

Remove redundant include windows.h from headers (msftc/x86[_64])

* src/atomic_ops/sysdeps/msftc/common32_defs.h: Do not include windows.h
if _MSC_VER > 1400 && AO_USE_INTERLOCKED_INTRINSICS && !_WIN32_WCE.
* src/atomic_ops/sysdeps/msftc/common32_defs.h [!AO_PREFER_GENERALIZED
|| !AO_ASSUME_WINDOWS98] (AO_fetch_and_add_full, AO_fetch_and_add1_full,
AO_fetch_and_sub1_full): Replace LONG to long; remove unnecessary cast
to LONG.
* src/atomic_ops/sysdeps/msftc/common32_defs.h [AO_ASSUME_WINDOWS98]
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/msftc/x86_64.h
(AO_int_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/msftc/x86_64.h [!AO_PREFER_GENERALIZED]
(AO_int_fetch_and_add_full, AO_int_fetch_and_add1_full,
AO_int_fetch_and_sub1_full): Likewise.
* src/atomic_ops/sysdeps/msftc/common32_defs.h [AO_ASSUME_WINDOWS98]
(AO_fetch_compare_and_swap_full): Replace PVOID to void*; remove
unnecessary cast to AO_t.
* src/atomic_ops/sysdeps/msftc/x86_64.h: Remove include windows.h.
* src/atomic_ops/sysdeps/msftc/x86_64.h [!AO_PREFER_GENERALIZED]
(AO_fetch_and_add_full, AO_fetch_and_add1_full, AO_fetch_and_sub1_full):
Replace LONGLONG to __int64; remove unnecessary cast to LONGLONG.
* src/atomic_ops/sysdeps/msftc/x86_64.h
(AO_fetch_compare_and_swap_full): Likewise.