OPNSense/core a1b0906src/etc/inc interfaces.inc

interfaces: style update

(cherry picked from commit 456fb9ab75b2ffc455eb98cdbbdf5706ddf5324b)
(cherry picked from commit 1cde6c33b4332f9ba349bc2d863bffed1e2c2172)
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+6-6src/etc/inc/interfaces.inc
+6-61 files

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