ffi.h.in: Added FFI_STDCALL ffi_type enumeration for X86_WIN32.

ffi.h.in: Added FFI_STDCALL ffi_type enumeration for X86_WIN32.

2002-11-10  Ranjit Mathew <rmathew@hotmail.com>

	* include/ffi.h.in: Added FFI_STDCALL ffi_type
	  enumeration for X86_WIN32.
	* src/x86/win32.S: Added ffi_call_STDCALL function
	  definition.
	* src/x86/ffi.c (ffi_call/ffi_raw_call): Added
	  switch cases for recognising FFI_STDCALL and
	  calling ffi_call_STDCALL if target is X86_WIN32.
	* src/ffitest.c (my_stdcall_strlen/stdcall_many):
	  stdcall versions of the "my_strlen" and "many"
	  test functions (for X86_WIN32).
	  Added test cases to test stdcall invocation using
	  these functions.

From-SVN: r59878