[PATCH] support: Add xsetlocale function

[Florian Weimer]

* Arjun Shankar:

> diff --git a/support/Makefile b/support/Makefile
> index a6081bba98..21a27cf863 100644
> --- a/support/Makefile
> +++ b/support/Makefile
> @@ -169,6 +169,7 @@ libsupport-routines = \
>    xunlink \
>    xwaitpid \
>    xwrite \
> +  xsetlocale \
>  
>  libsupport-static-only-routines := $(libsupport-routines)
>  # Only build one variant of the library.

Please keep the list of files sorted alphabetically.  Rest looks okay to
me.

Thanks,
Florian