* Makefile.in (minidumper.exe): Link directly with dbghelp.
	* minidumper.cc (minidump): Ditto.
	* minidumper.cc (filter_minidump_type): New function.
	(minidump): Change default dump type from MiniDumpNormal to
	something with more useful information without getting too
	big. Use filter_minidump_type() to filter out unsupported dump
	types.
	* minidumper.cc (filter_minidump_type): New function.
	(minidump): Change default dump type from MiniDumpNormal to
	something with more useful information without getting too
	big. Use filter_minidump_type() to filter out unsupported dump
	types.
	* fhandler_socket.cc (fhandler_socket::ioctl): Handle the different
	ideas of u_long between Winsock and Cygwin applications on x86_64.
	Add long comment.
	* fhandler_socket.cc (fhandler_socket::ioctl): Handle the different
	ideas of u_long between Winsock and Cygwin applications on x86_64.
	Add long comment.
	* fhandler_socket.cc (fhandler_socket::ioctl): Handle the different
	ideas of u_long between Winsock and Cygwin applications on x86_64.
	Add long comment.
	* sec_auth.cc (get_server_groups): Call get_logon_server only for
	non-builtin accounts.
	* uinfo.cc (pwdgrp::fetch_account_from_windows): Check incoming
	account name for validity in terms of the current name prefixing rules
	and refuse invalid names.
	* sec_auth.cc (get_server_groups): Call get_logon_server only for
	non-builtin accounts.
	* uinfo.cc (pwdgrp::fetch_account_from_windows): Check incoming
	account name for validity in terms of the current name prefixing rules
	and refuse invalid names.
	* libc/include/machine/ieeefp.h: Define _DOUBLE_IS_32BITS when double
	options is not __RL78_64BIT_DOUBLES__.
	* libc/include/machine/ieeefp.h: Define _DOUBLE_IS_32BITS when double
	options is not __RL78_64BIT_DOUBLES__.
merge from gcc