[PATCH] config: Conditionalize on LIBDEBUGINFOD instead of DEBUGINFOD

[Frank Ch. Eigler]

Hi -

> Something like this?

> -DEBUGINFOD_URLS="$DEBUGINFOD_URLS @DEBUGINFOD_URLS@"
> -export DEBUGINFOD_URLS
> +if [ -n "@DEBUGINFOD_URLS@" ]; then
> +	DEBUGINFOD_URLS="${DEBUGINFOD_URLS-}${DEBUGINFOD_URLS:+ }@DEBUGINFOD_URLS@"
> +	export DEBUGINFOD_URLS
> +fi

You took the words right out of my mouth. :-)

- FChE