Merge branch 'next' of github.com:softwareradiosystems/srsLTE into next

lib/include/srslte/common/metrics_hub.h

@@ -48,6 +48,7 @@ public:
 private:
   void run_period() {
     metrics_t metric;
+    bzero(&metric, sizeof(metrics_t));
     m->get_metrics(metric);
     for (uint32_t i=0;i<listeners.size();i++) {
       listeners[i]->set_metrics(metric);