include: Add stuff related to WSAPoll() (try 4)

[Alexandre Julliard]

Bruno Jesus <00cpxxx at gmail.com> writes:

> Use Sebastian's idea of not naming the struct since only WSAPOLLFD is
> used anyway.

This is still causing a lot of warnings on mingw:

In file included from ../../../wine/include/ws2tcpip.h:22:0,
                 from ../../../wine/dlls/jsproxy/main.c:34:
../../../wine/include/winsock2.h:117:0: warning: "POLLERR" redefined
In file included from ../../../wine/dlls/jsproxy/main.c:20:0:
../../../wine/include/wine/port.h:293:0: note: this is the location of the previous definition
In file included from ../../../wine/include/ws2tcpip.h:22:0,
                 from ../../../wine/dlls/jsproxy/main.c:34:
../../../wine/include/winsock2.h:118:0: warning: "POLLHUP" redefined
In file included from ../../../wine/dlls/jsproxy/main.c:20:0:
../../../wine/include/wine/port.h:294:0: note: this is the location of the previous definition
In file included from ../../../wine/include/ws2tcpip.h:22:0,
                 from ../../../wine/dlls/jsproxy/main.c:34:
../../../wine/include/winsock2.h:119:0: warning: "POLLNVAL" redefined
In file included from ../../../wine/dlls/jsproxy/main.c:20:0:
../../../wine/include/wine/port.h:295:0: note: this is the location of the previous definition
In file included from ../../../wine/include/ws2tcpip.h:22:0,
                 from ../../../wine/dlls/jsproxy/main.c:34:
../../../wine/include/winsock2.h:124:0: warning: "POLLPRI" redefined
In file included from ../../../wine/dlls/jsproxy/main.c:20:0:
../../../wine/include/wine/port.h:291:0: note: this is the location of the previous definition
In file included from ../../../wine/include/ws2tcpip.h:22:0,
                 from ../../../wine/dlls/jsproxy/main.c:34:
../../../wine/include/winsock2.h:125:0: warning: "POLLIN" redefined
In file included from ../../../wine/dlls/jsproxy/main.c:20:0:
../../../wine/include/wine/port.h:290:0: note: this is the location of the previous definition
In file included from ../../../wine/include/ws2tcpip.h:22:0,
                 from ../../../wine/dlls/jsproxy/main.c:34:
../../../wine/include/winsock2.h:126:0: warning: "POLLOUT" redefined

-- 
Alexandre Julliard
julliard at winehq.org