Eliminate some needless parentheses, tidy up some spacing and
indentation and split some long lines. Change first += after
declaration to initializer.
Change-Id: I05ff2a6337b7ed14e0a2dc9c03fc784c92b63515
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>