* pinfo.cc (EnumProcessesNT): New function. Eliminates dependence on psapi.h.

* pinfo.cc (EnumProcessesNT): New function.  Eliminates dependence on psapi.h.
(EnumProcesses9x): Rename from EnumProcessesW95.  Change arguments to be more
useful for cygwin.
(winpids::init): Accomodate argument changes.
(enum_init): Ditto.
* pinfo.h (winpids): Make pidlist dynamically extendable by storing it as a
pointer and remembering the size.
* ntdll.h: Add extra definitions needed for EnumProcessesNT.  Reformat via
'indent'.