[FS#451] ipq806x: random mac is assigned to WiFi phys

[LEDE Bugs]

The following task has a new comment added:

FS#451 - ipq806x: random mac is assigned to WiFi phys
User who did this - Hannu Nyman (hnyman)

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> I had never expected that a trailing tab can cause such issues

That surprised also me, but it is actually perfectly logical (as then the TAB is the next char to be ignored, not the subsequent newline).

That seems to be also mentioned in some shell script resources:

For example:
http://linuxcommand.org/wss0060.php

> Note that for this trick to work, the newline must be typed immediately after the backslash. If you put a space after the backslash, the space will be ignored, not the newline.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=451#comment1583