Fix issue with find executable

dot_local/bin/executable_install-nu

@@ -16,7 +16,7 @@ main () (
     set_link "${XDG_BIN_HOME}/nu" "${DEST}" nu
 
     mkdir_if_missing "${PLUGIN_DIR}"
-    find "${DEST}" -type f -perm +111 -exec basename {} \; | grep plugin | while read -r plugin ; do
+    find "${DEST}" -type f -perm -111 -exec basename {} \; | grep plugin | while read -r plugin ; do
         set_link "${PLUGIN_DIR}/${plugin}" "${DEST}" "${plugin}"
     done
 )