[testsuite patch] Fix false FAIL for gdb.base/morestack.exp

[Pedro Alves]

OK with typo below fixed.

On 10/22/2016 08:49 PM, Jan Kratochvil wrote:

> -if { [prepare_for_testing ${testfile}.exp ${testfile} $srcfile {additional_flags=-fsplit-stack}] } {
> +# -fuse-ld=gold is used for calling printf code built without -fsplit-stack
> +# which could crash otherise.  See GCC documentation of -fsplit-stack.

"otherwise"

Thanks,
Pedro Alves