Fix unportable shell quoting.

/:
	PR bootstrap/44621
	* configure.ac: Fix unportable shell quoting.
	* configure: Regenerate.

config/:
	* po.m4 (AM_PO_SUBDIRS): Fix unportable shell quoting.

contrib/reghunt/:
	* bin/gcc-svn-ids: Fix unportable shell quoting.
	* date_based/reg_periodic: Likewise.
	* date_based/reg_search: Likewise.

intl/:
	PR bootstrap/44621
	* configure: Regenerate.

From-SVN: r164668