bugfix: revert bad change

Without this revert, the following does not compile:

    ./build_oai --oaisim

openair2/LAYER2/openair2_proc.c

@@ -228,9 +228,7 @@ int dump_eNB_l2_stats(char *buffer, int length)
       PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt,
 				     eNB_id,
 				     ENB_FLAG_YES,
-                                     /* the following is suspicious, let's put back what was there before */
-				     /*UE_list->eNB_UE_stats[0][UE_id].crnti,//UE_PCCID(eNB_id,UE_id)][UE_id].crnti, */
-				     UE_list->eNB_UE_stats[UE_PCCID(eNB_id,UE_id)][UE_id].crnti,
+				     UE_list->eNB_UE_stats[0][UE_id].crnti,//UE_PCCID(eNB_id,UE_id)][UE_id].crnti, 
 				     eNB->frame,
 				     eNB->subframe,
 				     eNB_id);