Handle EK_EVENT_REPLACE event
diff --git a/contiki/uip/uip-fw-service.c b/contiki/uip/uip-fw-service.c
index ef56250..95668df 100644
--- a/contiki/uip/uip-fw-service.c
+++ b/contiki/uip/uip-fw-service.c
@@ -32,6 +32,7 @@
 {
   switch(ev) {
   case EK_EVENT_INIT:
+  case EK_EVENT_REPLACE:
     break;
   case EK_EVENT_REQUEST_REPLACE:
     ek_replace((struct ek_proc *)data, NULL);