* autoload.cc (DsGetDcNameW): Replace DsGetDcNameA.

* dcrt0.cc (child_info_spawn::handle_spawn): Drop artificial
	supplementary group list from calling setgroups in parent.
	* grp.cc (internal_getgroups): Drop 9x-only code.  Reformat.
	* sec_auth.cc (get_logon_server): Do everything in WCHAR only.
	(get_user_groups): Ditto.  Use wlogonserver in LookupAccountNameW
	calls, too.
	(is_group_member): Get logon server as first argument and use in call
	to NetLocalGroupGetMembers.
	(get_user_local_groups): Get logon server as first argument and use in
	calls to NetLocalGroupEnum and LookupAccountNameW.  Revamp to work
	more correctly in domain environments.
	(get_server_groups): Accommodate aforementioned changed function calls.
	* security.h (get_logon_server): Change prototype accordingly.
	* uinfo.cc (cygheap_user::env_logsrv): Accommodate changed
	get_logon_server call.

winsup/cygwin/security.h

@@ -380,8 +380,7 @@ bool get_server_groups (cygsidlist &grp_list, PSID usersid, struct passwd *pw);
 /* Extract U-domain\user field from passwd entry. */
 void extract_nt_dom_user (const struct passwd *pw, char *domain, char *user);
 /* Get default logonserver for a domain. */
-bool get_logon_server (const char * domain, char * server, WCHAR *wserver,
-		       bool rediscovery);
+bool get_logon_server (PWCHAR domain, PWCHAR wserver, bool rediscovery);
 
 /* sec_helper.cc: Security helper functions. */
 int set_privilege (HANDLE token, DWORD privilege, bool enable);