fix build with NS3

diff --git a/examples/msg/ns3/ns3.c b/examples/msg/ns3/ns3.c
index f2fb14b..9d9a3f9 100644 (file)
--- a/examples/msg/ns3/ns3.c
+++ b/examples/msg/ns3/ns3.c
@@ -82,7 +82,7 @@ static int master(int argc, char *argv[])
   return 0;
 }
 
-int timer(int argc, char *argv[])
+static int timer(int argc, char *argv[])
 {
   double sleep_time;
   double first_sleep;