fixed gcc would error-out on a signed/unsigned-compare by ignoring warning for that file
fixed gcc would error-out on a signed/unsigned-compare by ignoring warning for that file

cramja/incubator-quickstep,hbdeshmukh/incubator-quickstep,zuyu/incubator-quickstep,jianqiao/incubator-quickstep,tarunbansal/incubator-quickstep,jianqiao/incubator-quickstep,hbdeshmukh/incubator-quickstep,tarunbansal/incubator-quickstep,cramja/incubator-quickstep,UWQuickstep/quickstep,zuyu/incubator-quickstep,cramja/incubator-quickstep,hbdeshmukh/incubator-quickstep,UWQuickstep/quickstep,jianqiao/incubator-quickstep,pivotalsoftware/quickstep,tarunbansal/incubator-quickstep,UWQuickstep/quickstep,jianqiao/incubator-quickstep,UWQuickstep/quickstep,pivotalsoftware/quickstep,hbdeshmukh/incubator-quickstep,pivotalsoftware/quickstep,tarunbansal/incubator-quickstep,zuyu/incubator-quickstep,UWQuickstep/quickstep,zuyu/incubator-quickstep,pivotalsoftware/quickstep,cramja/incubator-quickstep