Use `noautonamedirs` with Zsh aliases

Fixes https://github.com/joelthelion/autojump/issues/312

bin/autojump.zsh

@@ -47,6 +47,7 @@ j() {
         return
     fi
 
+    setopt localoptions noautonamedirs
     local new_path="$(autojump ${@})"
     if [[ -d "${new_path}" ]]; then
         echo -e "\\033[31m${new_path}\\033[0m"
@@ -76,6 +77,7 @@ jo() {
         return
     fi
 
+    setopt localoptions noautonamedirs
     local new_path="$(autojump ${@})"
     if [[ -d "${new_path}" ]]; then
         case ${OSTYPE} in