setup ChangeLog bootstrap.sh

[jturney@sourceware.org]

CVSROOT:	/cvs/cygwin-apps
Module name:	setup
Changes by:	jturney@sourceware.org	2013-07-25 16:59:01

Modified files:
	.              : ChangeLog bootstrap.sh 

Log message:
	* bootstrap.sh : Add support for x86_64-w64-mingw32 toolchain.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/setup/ChangeLog.diff?cvsroot=cygwin-apps&r1=2.822&r2=2.823
http://sourceware.org/cgi-bin/cvsweb.cgi/setup/bootstrap.sh.diff?cvsroot=cygwin-apps&r1=2.8&r2=2.9