udev: make use of new one_zero() helper where appropriate

diff --git a/src/udev/udev-builtin-btrfs.c b/src/udev/udev-builtin-btrfs.c
index 74b220928ecd7dba17df0426f238ea3ec8bbd803..3643596a70220518ff2b026fcba7594dd8494bd7 100644 (file)
--- a/src/udev/udev-builtin-btrfs.c
+++ b/src/udev/udev-builtin-btrfs.c
@@ -49,7 +49,7 @@ static int builtin_btrfs(struct udev_device *dev, int argc, char *argv[], bool t
         if (err < 0)
                 return EXIT_FAILURE;
 
-        udev_builtin_add_property(dev, test, "ID_BTRFS_READY", err == 0 ? "1" : "0");
+        udev_builtin_add_property(dev, test, "ID_BTRFS_READY", one_zero(err == 0));
         return EXIT_SUCCESS;
 }