* grp.cc (gr_ent::enumerate_caches): Fix copy/paste bug introducing
	an endless loop.
	* grp.cc (gr_ent::enumerate_caches): Fix copy/paste bug introducing
	an endless loop.
	* uinfo.cc (cygheap_user::init): Fix formatting in debug output.
	(struct cyg_USER_INFO_24): Define temporarily.  Explain why.
	(pwdgrp::fetch_account_from_windows): Handle sane primary group
	setting for Microsoft Accounts.  Explain why.
	* wincap.h (wincaps::has_microsoft_accounts): New element.
	* wincap.cc: Implement above element throughout.
	* uinfo.cc (cygheap_user::init): Fix formatting in debug output.
	(struct cyg_USER_INFO_24): Define temporarily.  Explain why.
	(pwdgrp::fetch_account_from_windows): Handle sane primary group
	setting for Microsoft Accounts.  Explain why.
	* wincap.h (wincaps::has_microsoft_accounts): New element.
	* wincap.cc: Implement above element throughout.