Bring over lost changes from Cygnus's directory.

	* Missing ChangeLog entries.
	* Whitespace fixes.
	* Enable multilib by default
	* One stl fix (#ifdef -> #if)


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26234 138bc75d-0d04-0410-961f-82ee72b054a4