intprops: add double-inclusion guard
authorEric Blake <ebb9@byu.net>
Sat, 14 Nov 2009 22:09:08 +0000 (15:09 -0700)
committerEric Blake <ebb9@byu.net>
Sat, 14 Nov 2009 22:09:08 +0000 (15:09 -0700)
commitfdac57e87e1ba42f9ed516f0b6b828e4522719bb
treef1f76544f7f1b8d11eb0487274bcf68783749177
parentc13ca15f1a9efad6c85e2debf5bcc54db425d017
intprops: add double-inclusion guard

* lib/intprops.h: Allow idempotent includes.
Suggested by Bruce Korb.

Signed-off-by: Eric Blake <ebb9@byu.net>
ChangeLog
lib/intprops.h