[PATCH] manual/tunables: fix a trivial typo

[Florian Weimer]

* Aurelien Jarno:

> Fixes: 12a497c716f0 ("elf: Extend glibc.rtld.execstack tunable to force executable stack (BZ 32653)"
> ---
>  manual/tunables.texi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/manual/tunables.texi b/manual/tunables.texi
> index 67064f595e..d11ca7ed7c 100644
> --- a/manual/tunables.texi
> +++ b/manual/tunables.texi
> @@ -367,7 +367,7 @@ stack is allowed from the main program.  Setting the value to @code{0} disables
>  the ABI auto-negotiation (meaning no executable stacks even if the ABI or ELF
>  header requires it), @code{1} enables auto-negotiation (although the program
>  might not need an executable stack), while @code{2} forces an executable
> -stack at process start.  Tthis is provided for compatibility reasons, when
> +stack at process start.  This is provided for compatibility reasons, when
>  the program dynamically loads modules with @code{dlopen} which require
>  an executable stack.

Looks good.

Reviewed-by: Florian Weimer <fweimer@redhat.com>

Thanks,
Florian