GCC: configure.ac, 1.2 -> 1.3

[Jan-Benedict Glaw]

Update of /mnt/vax-development/CVS_Repository/gcc/gcc
In directory mail:/mnt/vax-development/local_work/work-jbglaw/local-cvs/gcc/gcc

Modified Files:
	configure.ac 
Log Message:
- - - -- -- A U T O M A T I C   C H E C K I N -- -- - - -
	* configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
	ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
	* configure: Regenerate.