2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>

	* configure.ac: Use the m4_do macro to concatenate the warnings into
	one string in ACX_PROG_CC_WARNING_OPTS,
	ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
	* configure: Regenerate.

From-SVN: r138216