redirect output

plugins/git-auto-fetch/git-auto-fetch.plugin.zsh

 function git_fetch_on_chpwd {
-  ([[ -d .git ]] && git fetch --all >! ./.git/FETCH_LOG &)
+  ([[ -d .git ]] && git fetch --all &>! ./.git/FETCH_LOG &)
 }
-chpwd_functions=(${chpwd_functions[@]} "git_fetch_on_chpwd")
-unset git_fetch_on_cpwd
+chpwd_functions+=(git_fetch_on_chpwd)
+git_fetch_on_chpwd