tree 5fc56d863e4c4f9dc2bd6dceb482c2cd3586675b
parent 6843c58f793eba924495e9450a532c5963858d21
author Bill Fenner <fenner@gmail.com> 1407871823 -0700
committer Bill Fenner <fenner@gmail.com> 1407871823 -0700

Use the right header guard.

Believe it or not, clang found this detail with -Wheader-guard.