re PR bootstrap/43615 (bootstrap fails: /usr/include/gnu/stubs.h:7:27: fatal error: gnu/stubs-32.h: No such file or directory)

/:
	PR bootstrap/43615
	PR bootstrap/43328

	Revert:

	2010-03-31  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac: Do not pass --enable-multilib nor
	--disable-multilib in baseargs.  Accept explicitly passed
	--enable_multilib.
	* configure: Regenerate.

From-SVN: r157916