misc: Add missing include for the rate counter
pcu_vty.c:285:2: warning: implicit declaration of function 'vty_out_rate_ctr_group' is invalid in C99 [-Wimplicit-function-declaration]
vty_out_rate_ctr_group(vty, "", bts_main_data_stats());
^
diff --git a/src/pcu_vty.c b/src/pcu_vty.c
index eef62ce..2fd878c 100644
--- a/src/pcu_vty.c
+++ b/src/pcu_vty.c
@@ -5,6 +5,7 @@
#include <stdlib.h>
#include <osmocom/vty/logging.h>
#include <osmocom/core/linuxlist.h>
+#include <osmocom/core/rate_ctr.h>
#include "pcu_vty.h"
#include "gprs_rlcmac.h"
#include "bts.h"