* minidumper.cc (minidump): Fix copy and paste error in checking
result of OpenProcess().
	* ldap.cc (user_attr): Remove "uid" attribute.
	* ldap.h (LDAP_USER_NAME_ATTR): Remove.  Change other attribute index
	values as required.
	(cyg_ldap::get_user_name): Remove inline function.
	* uinfo.cc (pwdgrp::fetch_account_from_windows): Remove code to handle
	Cygwin username different from Windows username.
	(pwdgrp::add_account_from_cygserver): Remove unnecessary cast.
	* libc/machine/arm/strcmp-arm-tiny.S: New file.
	* libc/machine/arm/strcmp-armv4.S: New file.
	* libc/machine/arm/strcmp-armv4t.S: New file.
	* libc/machine/arm/strcmp-armv6.S: New file.
	* libc/machine/arm/strcmp-armv7.S: New file.
	* libc/machine/arm/strcmp-armv7m.S: New file.
	* libc/machine/arm/strcmp.S: Replace with wrapper for various
	implementations.
	* libc/machine/arm/Makefile.am (strcmp.o, strcmp.obj): Add
	dependencies.
	* libc/machine/arm/Makefile.in: Regenerated.
	* miscfuncs.cc (check_iovec): Allow 0 as valid iovcnt value.