Tweak makefile for clean clones
Tweak makefile for clean clones

zhaozg/luvit,GabrielNicolasAvellaneda/luvit-upstream,bsn069/luvit,DBarney/luvit,rjeli/luvit,rjeli/luvit,bsn069/luvit,kaustavha/luvit,GabrielNicolasAvellaneda/luvit-upstream,zhaozg/luvit,DBarney/luvit,rjeli/luvit,luvit/luvit,rjeli/luvit,kaustavha/luvit,GabrielNicolasAvellaneda/luvit-upstream,luvit/luvit,kaustavha/luvit,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit,DBarney/luvit,bsn069/luvit