[Buildroot] [PATCH 2/2] package/firewalld: add missing nftables json runtime dependency

[Thomas Perale]

In reply of:
> Now that firewalld has been fixed for Python 3.13,
> TestFirewalldSysVInit still fail at runtime due to missing nftables json
> support [1].
> 
> cat /var/log/firewalld
>   2025-09-02 21:34:50 Traceback (most recent call last):
>     File "/usr/lib/python3.13/site-packages/firewall/core/fw.py", line 649, in start
>     File "/usr/lib/python3.13/site-packages/firewall/core/fw.py", line 613, in _start
>     File "/usr/lib/python3.13/site-packages/firewall/core/fw.py", line 510, in _start_apply_objects
>     File "/usr/lib/python3.13/site-packages/firewall/core/fw_transaction.py", line 133, in execute
>   firewall.errors.FirewallError: COMMAND_FAILED: 'python-nftables' failed: Error: syntax error, unexpected '{'
>   {"nftables": [{"metainfo": {"json_schema_version": 1}}, {"add": {"table": {"family": "inet", "name": "firewalld"}}}, {"delete": {"table": {"family": "inet", "name": "firewalld"}}}, {"add": {"table": {"family": "inet", "name": "firewalld"}}}]}
>   ^
> 
> Fixes:
> https://gitlab.com/buildroot.org/buildroot/-/jobs/11198422467 (TestFirewalldSystemd)
> 
> [1] https://github.com/firewalld/firewalld/commit/1582c5dd736a11177ec320eb4ecbeb09fcae313a
> 
> Signed-off-by: Romain Naour <romain.naour at smile.fr>

Applied to 2025.05.x. Thanks

> ---
>  package/firewalld/Config.in | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/package/firewalld/Config.in b/package/firewalld/Config.in
> index cc8411b34d..407f57c604 100644
> --- a/package/firewalld/Config.in
> +++ b/package/firewalld/Config.in
> @@ -14,6 +14,7 @@ config BR2_PACKAGE_FIREWALLD
>  	select BR2_PACKAGE_GOBJECT_INTROSPECTION
>  	select BR2_PACKAGE_JANSSON # Uses the nftables json interface
>  	select BR2_PACKAGE_NFTABLES
> +	select BR2_PACKAGE_NFTABLES_JSON # runtime
>  	select BR2_PACKAGE_PYTHON3
>  	select BR2_PACKAGE_PYTHON_GOBJECT
>  	help
> -- 
> 2.51.0
> 
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