winXP 32-bit build problems
trouble building latest tip on winxp 32:

```
  running build
  running build_py
  copying pandas\version.py -> build\lib.win32-2.6\pandas
  running build_ext
  skipping 'pandas\src\tseries.c' Cython extension (up-to-date)
  building 'pandas._tseries' extension
  C:\Program Files\Microsoft Visual Studio 9.0\VC\BIN\cl.exe /c /nologo /Ox /MD /W3 /GS- /DNDEBUG -IC:\Python26\lib\site-packages\numpy-1.6.1-py2.6-win32.egg\numpy\core\include -IC:\Python26\include -IC:\Python26\PC /Tcpandas\src\tseries.c /Fobuild\temp.win32-2.6\Release\pandas\src\tseries.obj
  tseries.c
  c:\documents and settings\reckoner\desktop\pandas\pandas\src\numpy_helper.h(29) : error C2036: 'void *' : unknown size
  pandas\src\tseries.c(25741) : warning C4244: 'function' : conversion from '__pyx_t_5numpy_int64_t' to 'Py_ssize_t', possible loss of data
  pandas\src\tseries.c(27030) : warning C4244: 'function' : conversion from '__pyx_t_5numpy_int64_t' to 'Py_ssize_t', possible loss of data
  pandas\src\tseries.c(29457) : warning C4244: 'function' : conversion from '__pyx_t_5numpy_int64_t' to 'Py_ssize_t', possible loss of data
  pandas\src\tseries.c(32203) : warning C4244: 'function' : conversion from '__pyx_t_5numpy_int64_t' to 'Py_ssize_t', possible loss of data
```

any help appreciated! I previously had no trouble building this. I have the latest cython and numpy releases.

Thanks!
