[FS#391] dnsmasq stops working properly if the fastest upstream DNS server returns a server failure

[LEDE Bugs]

The following task has a new comment added:

FS#391 - dnsmasq stops working properly if the fastest upstream DNS server returns a server failure
User who did this - Kevin Darbyshire-Bryant (kdarbyshirebryant)

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I already have a pull request in for 2.77test2  https://github.com/lede-project/source/pull/794
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=391#comment1644