Log Message:
-----------
Make ssize_t 64-bit on Win64, for compatibility with for example plpython.
Modified Files:
--------------
pgsql/src/include/port:
win32.h (r1.90 -> r1.91)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/include/port/win32.h?r1=1.90&r2=1.91)