Fix Coverity Scan CID 300407 (Variable stats_reply_msg going out of scope...

Fix Coverity Scan CID 300407 (Variable stats_reply_msg going out of scope leaks the storage it points to.)

openair2/ENB_APP/CONTROL_MODULES/MAC/flexran_agent_mac_internal.c

@@ -151,6 +151,15 @@ Protocol__FlexranMessage * flexran_agent_generate_diff_mac_stats_report(Protocol
   return msg;
   
  error:
+   if (stats_reply_msg) {
+     if (stats_reply_msg->ue_report) {
+       free(stats_reply_msg->ue_report);
+     }
+     if (stats_reply_msg->cell_report) {
+       free(stats_reply_msg->cell_report);
+     }
+     free(stats_reply_msg);
+   }
    return NULL;
 }