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-rw-r--r--sys/kern/sysv_msg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/kern/sysv_msg.c b/sys/kern/sysv_msg.c
index 89de07c..150d9bd 100644
--- a/sys/kern/sysv_msg.c
+++ b/sys/kern/sysv_msg.c
@@ -80,7 +80,7 @@ static int sysvmsg_modload(struct module *, int, void *);
#ifdef MSG_DEBUG
#define DPRINTF(a) printf a
#else
-#define DPRINTF(a)
+#define DPRINTF(a) (void)0
#endif
static void msg_freehdr(struct msg *msghdr);
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