[Fix #167] Use an anononymous function for $fpath

helper.zsh

@@ -33,10 +33,12 @@ function autoloadable {
 # Loads Oh My Zsh modules.
 function omodload {
   local omodule
+
+  function {
     local ofunction
 
-  # Extended globbing is needed for autoloading of module functions.
-  setopt EXTENDED_GLOB
+    # Extended globbing is needed for listing autoloadable function directories.
+    setopt LOCAL_OPTIONS EXTENDED_GLOB
 
     # Add functions to fpath.
     fpath=(${argv:+${OMZ}/modules/${^argv}/functions(/FN)} $fpath)
@@ -47,9 +49,7 @@ function omodload {
     do
       autoload -Uz "$ofunction"
     done
-
-  # Extended globbing is no longer needed.
-  unsetopt EXTENDED_GLOB
+  } "$argv[@]"
 
   for omodule in "$argv[@]"; do
     if zstyle -t ":omz:module:$omodule" loaded; then