Maybe fix cppcheck #1230

Job	Run time
clickable (Debug, amd64, glew)	11m 43s
clickable (Debug, amd64, sdl)	10m 27s
clickable (Debug, armhf, glew)	10m 32s
clickable (Debug, armhf, sdl)	11m 15s
clickable (Release, amd64, glew)	10m 42s
clickable (Release, amd64, sdl)	10m 12s
clickable (Release, arm64, glew)	11m 22s
clickable (Release, arm64, sdl)	10m 50s
clickable (Release, armhf, glew)	9m 56s
clickable (Release, armhf, sdl)	9m 34s
	1h 46m 33s

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