[FS#1093] mac80211, PKG_VERSION:=2017-10-06 - kernel.warn

[LEDE Bugs]

The following task has a new comment added:

FS#1093 - mac80211,  PKG_VERSION:=2017-10-06 - kernel.warn
User who did this - Zyxmon (zyxmon)

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https://github.com/chunkeey/LEDE-IPQ40XX/commit/365dbaefc85082d7b16c566eb541d8d956c6c87c
This patch fixes this bug
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1093#comment3822