pf plugin: Include "common.h".

diff --git a/src/pf.c b/src/pf.c
index 8dc6d83..da539a2 100644 (file)
--- a/src/pf.c
+++ b/src/pf.c
@@ -17,6 +17,7 @@
 
 #include "collectd.h"
 #include "plugin.h"
+#include "common.h"
 
 #include <sys/ioctl.h>
 #include <sys/socket.h>