From e7bf3a5eda6a1b02bef6096fed78527ee11e54cc Mon Sep 17 00:00:00 2001
From: Darren Tucker <dtucker@zip.com.au>
Date: Tue, 7 Apr 2015 10:48:04 +1000
Subject: [PATCH] Use do{}while(0) for no-op functions.

From FreeBSD.
---
 openbsd-compat/bsd-misc.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/openbsd-compat/bsd-misc.h b/openbsd-compat/bsd-misc.h
index 65c18ec2f..ff347a24b 100644
--- a/openbsd-compat/bsd-misc.h
+++ b/openbsd-compat/bsd-misc.h
@@ -111,7 +111,7 @@ pid_t getpgid(pid_t);
 #endif
 
 #ifndef HAVE_ENDGRENT
-# define endgrent() {}
+# define endgrent() do { } while(0)
 #endif
 
 #ifndef HAVE_KRB5_GET_ERROR_MESSAGE
@@ -119,7 +119,7 @@ pid_t getpgid(pid_t);
 #endif
 
 #ifndef HAVE_KRB5_FREE_ERROR_MESSAGE
-# define krb5_free_error_message(a,b) while(0)
+# define krb5_free_error_message(a,b) do { } while(0)
 #endif
 
 #endif /* _BSD_MISC_H */