lib: Fix FreeBSD build.

[cascardo/ovs.git] / lib / signals.h

diff --git a/lib/signals.h b/lib/signals.h
index 3ef1b5b..7017ae8 100644 (file)
--- a/lib/signals.h
+++ b/lib/signals.h
@@ -18,6 +18,7 @@
 #define SIGNALS_H 1
 
 #include <signal.h>
+#include <stddef.h>
 #include "type-props.h"
 
 enum { SIGNAL_NAME_BUFSIZE = 7 + INT_STRLEN(int) + 1 };