cu_cp: only print cells in meas_helper if there are any

Author: andrepuschmann

lib/cu_cp/cell_meas_manager/cell_meas_manager_helpers.cpp

@@ -18,9 +18,11 @@ using namespace srs_cu_cp;
 
 void srsran::srs_cu_cp::log_cells(const srslog::basic_logger& logger, const cell_meas_manager_cfg& cfg)
 {
-  logger.debug("Configured cells:");
-  for (const auto& cell : cfg.cells) {
-    logger.debug(" - {}", cell.second);
+  if (!cfg.cells.empty()) {
+    logger.debug("Configured cells:");
+    for (const auto& cell : cfg.cells) {
+      logger.debug(" - {}", cell.second);
+    }
   }
 }