[PATCH] timezone: Fix tst-bz28707 Makefile rule

[Adhemerval Zanella]

I am seeing make check completion failure without this issue and I 
will install this shortly if no one opposes it.

On 10/01/2022 10:18, Adhemerval Zanella wrote:
> The $(testdata)/XT5 rule is ambiguous and it may not be correct
> evaluated.
> ---
>  timezone/Makefile | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/timezone/Makefile b/timezone/Makefile
> index 4e7f68a8fc..a789c22d26 100644
> --- a/timezone/Makefile
> +++ b/timezone/Makefile
> @@ -124,7 +124,8 @@ $(testdata)/XT%: testdata/XT%
>  	$(make-target-directory)
>  	cp $< $@
>  
> -$(testdata)/XT%: testdata/gen-XT%.sh
> +$(testdata)/XT5: testdata/gen-XT5.sh
> +	$(make-target-directory)
>  	$(SHELL) $< > $@.tmp
>  	mv $@.tmp $@
>