err() is documented as allowing NULL for the format string but GCC isn't

happy about it any more so change the usage to make buildworld work again.

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/ps/lomac.c b/bin/ps/lomac.c
index f651955..ec05d1a 100644
--- a/bin/ps/lomac.c
+++ b/bin/ps/lomac.c
@@ -113,6 +113,6 @@ get_lattr(int pid)
 	if (devlomac == -1)
 		lomac_start();
 	if (ioctl(devlomac, LIOGETPLEVEL, &pid) == -1)
-		err(1, NULL);
+		err(1, "ioctl");
 	return (pid);
 }