Fix del command "failing" when password is deleted without deleting parent dir

pash

@@ -60,7 +60,7 @@ pw_del() {
         # Remove empty parent directories of a password
         # entry. It's fine if this fails as it means that
         # another entry also lives in the same directory.
-        rmdir -p "${1%/*}" 2>/dev/null
+        rmdir -p "${1%/*}" 2>/dev/null || true
     }
 }