Due to a missing include, the constant UINT_MAX is undefined. This
fixes issues when building v25.12.0-rc5. Including a newer version of
iproute2 would include the patch, but causes other building issues.
Signed-off-by: Jonas Lochmann <openwrt@jonaslochmann.de>
Link: https://github.com/openwrt/openwrt/pull/22128
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 5f063d18bdc368cb3eede54b01557f000b3df3b6)