fix formatting #253

Job	Run time
debug (clang)	3m 13s
avr (c99)	2m 13s
debug (gcc)	3m 13s
arm (c99)	1m 52s
avr (c11)	1m 20s
optimizations (clang, Release)	1m 8s
arm (c11)	1m 54s
avr (gnu99)	1m 50s
optimizations (clang, MinSizeRel)	1m 5s
arm (gnu99)	1m 58s
avr (gnu11)	1m 30s
optimizations (gcc, Release)	1m 22s
arm (gnu11)	1m 51s
sonar	0s
optimizations (gcc, MinSizeRel)	1m 11s
style_check	8s
	25m 48s

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