[FS#969] xtables-addons fails to compile

[LEDE Bugs]

The following task has a new comment added:

FS#969 - xtables-addons fails to compile
User who did this - Hannu Nyman (hnyman)

----------
Regression range info:

arxx71 build with the same config
ok:   r4696-df3295f50e (on 2017-08-14)
fail: r4707-3e6d303d61 (on 2017-08-19)

At the first glance there is nothing relevant except the kernel version bump.

----------

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=969#comment3265