dircolors: bypass the missing SHELL on windows
dircolors: bypass the missing SHELL on windows

jbcrail/coreutils,Heather/coreutils,uutils/coreutils,Arcterus/coreutils,uutils/coreutils,tempbottle/coreutils,uutils/coreutils,ebfe/coreutils,kevgeniy/coreutils,jbcrail/coreutils,keunwoo/coreutils,keunwoo/coreutils,kwantam/coreutils,ebfe/coreutils,Arcterus/coreutils,kevgeniy/coreutils,kwantam/coreutils,wimh/coreutils,wimh/coreutils,Heather/coreutils,tempbottle/coreutils