struct -> class to make gcc happy with consistent friend declarations
struct -> class to make gcc happy with consistent friend declarations

BrewPi/firmware,glibersat/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,BrewPi/firmware,glibersat/firmware,BrewPi/firmware,glibersat/firmware,glibersat/firmware,BrewPi/firmware