PATCH: [configure,FreeBSD] Default FreeBSD to ELF format

[Loren James Rittle]

Gerald, OK for all branches (while honoring upstream submission
requirements and any current commit bars).   -Loren

> 2007-02-12  Gerald Pfeifer  <gerald@pfeifer.com>

> 	* ltconfig (freebsd*): Default to elf.

> Index: ltconfig
> ===================================================================
> --- ltconfig	(revision 121856)
> +++ ltconfig	(working copy)
> @@ -1133,7 +1133,7 @@
>    ;;
 
>  freebsd*)
> -  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
> +  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo elf`
>    version_type=freebsd-$objformat
>    case $version_type in
>      freebsd-elf*)