Fixed browser custom icons font rebuild logic. Related to #327
Fixed browser custom icons font rebuild logic. Related to #327

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