Rosen Penev 3f65fe5d62 scripts/gen_image_generic.sh: replace deprecated backticks with $() ...

This replaces deprecated backticks by more versatile $(...) syntax.

Found with shellcheck.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[adjust commit title and message]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

2019-12-31 01:06:20 +01:00

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