* libtool.m4 (libtool_flags): Add patch from libtool CVS: Support

	linking of 32-bit libraries with ld on the x86-64, ppc64, s390x
	and sparc64 GNU/Linux systems.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59304 138bc75d-0d04-0410-961f-82ee72b054a4