Fix firmware server#1

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dose7781 wants to merge 2 commits intoOpenLightingProject:masterfrom

dose7781:fix_firmware_server

Commits on Jul 1, 2019

fix artnet-usb.c compile error on newer gcc (‘for’ clause does not guard... [-Werror=misleading-indentation])
Andreas Haschka
committed
artnet-firmware-server: fix select() not triggering on network file descriptor, correctly set uploading flag when sending firmware
Andreas Haschka
committed