This saves a few bytes:
before:
| create and sign dfu bin file: candleLight_fw
| text data bss dec hex filename
| 15708 192 1976 17876 45d4 candleLight_fw
after:
| create and sign dfu bin file: candleLight_fw
| text data bss dec hex filename
| 15712 184 1976 17872 45d0 candleLight_fw
Signed-off-by: Marc Kleine-Budde <mkl@blackshift.org>