lib: Restore build on FreeBSD

It appears that the size_t definition was supplied through header leakage
on other platforms after commit eee8089cbeffa39eef3858be57628be663b229b7
(signals: Make signal_name() thread-safe.).

Signed-off-by: Ed Maste <emaste@freebsd.org>
Signed-off-by: Ben Pfaff <blp@nicira.com>

diff --git a/lib/signals.h b/lib/signals.h
index 015d329..4821597 100644 (file)
--- a/lib/signals.h
+++ b/lib/signals.h
@@ -19,6 +19,7 @@
 
 #include <signal.h>
 #include <stdbool.h>
+#include <stddef.h>
 #include "type-props.h"
 
 void signal_init(void);