compilation warning removal

targets/SIMU/USER/oaisim_functions.c

@@ -1295,7 +1295,7 @@ void init_devices(void){
 
 void init_openair1(void)
 {
-  module_id_t UE_id, eNB_id;
+  module_id_t UE_id, eNB_id = 0;
   uint8_t CC_id;
 #if ENABLE_RAL
   int list_index;