[FS#728] BusyBox/nslookup_lede compile error when build without IPV6 support

[LEDE Bugs]

The following task has a new comment added:

FS#728 - BusyBox/nslookup_lede compile error when build without IPV6 support
User who did this - Jo-Philipp Wich (jow-)

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Fixed with http://git.lede-project.org/610141bee5 and http://git.lede-project.org/5feb4f0e6d
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=728#comment2455