[FS#248] Firewall configuration: multiple negative masq_dest options do not work

[LEDE Bugs]

The following task has a new comment added:

FS#248 - Firewall configuration: multiple negative masq_dest options do not work
User who did this - Jo-Philipp Wich (jow-)

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Fixed with http://git.lede-project.org/113544d
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=248#comment800