[FS#638] dnsmasq user doesn't get created if you sysupgrade from OpenWRT

[LEDE Bugs]

The following task has a new comment added:

FS#638 - dnsmasq user doesn't get created if you sysupgrade from OpenWRT
User who did this - diizzyy (diizzyy)

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This also applies to release version.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=638#comment2187