stat: fsext.rs: remove useless brackets
stat: fsext.rs: remove useless brackets

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