Fix ContentLength header setter
Fix ContentLength header setter

cnbin/fontello,marcia-kubik/fontello,SKing7/fontellomt,blackgirl/fontello,liguangmings/fontello,asrin475/fontello,fontello/fontello,fontello/fontello,bartuspan/fontello,bartuspan/fontello,katgironpe/fontello,liguangmings/fontello,bartuspan/fontello,modulexcite/fontello,CapeSepias/fontello,vinod1988/fontello,cnbin/fontello,Sivalingaamorthy/fontello,vinod1988/fontello,asrin475/fontello,asrin475/fontello,Sivalingaamorthy/fontello,modulexcite/fontello,marcia-kubik/fontello,Sivalingaamorthy/fontello,SKing7/fontellomt,blackgirl/fontello,katgironpe/fontello,cnbin/fontello,CapeSepias/fontello,marcia-kubik/fontello,fontello/fontello,liguangmings/fontello,modulexcite/fontello,vinod1988/fontello,CapeSepias/fontello,blackgirl/fontello,katgironpe/fontello