fix(fs): close write stream on reopen
fix(fs): close write stream on reopen

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