NETAPI32: Get rid of the old WINE NetServerGetInfo and replace it by a proper call to NetrServerGetInfo.
SRVSVC: Implement parts of NetrServerGetInfo.
srvsvc.idl: Hack around a bug in midl or rpcrt4. They are not able to handle a pointer to a union of pointers to structs. A pointer to a union of structs works a advertised.