[toplevel] Fix sed invocation in configure.in

[Paul Brook]

On Thursday 27 May 2004 18:57, Daniel Jacobowitz wrote:
> This is probably obvious; I'm not sure why the GFORTRAN_FOR_TARGET stanza
> uses a different syntax than anything else in that block of code, but the
> one it uses doesn't work.  Sed tries to open 's,^,arm-none-elf-,;' as an
> input file.

I probably don't have authority to approve this, but it looks ok to me.

Also the case statement immediately below is inconsistent with other similar 
blocks. I'm not aware of any reason for this, it probably just didn't get 
updated because gfortran was only on the tree-ssa branch.

Paul