nr ue: fix security setting of DRB

Maybe this fix won't work for non-openair gNB. We use the same keys and
algorithms as for SRBs, which is what openair gNB does.

(I hope I'm right there.)

To be changed if needed.

openair2/RRC/NR_UE/rrc_UE.c

@@ -2180,7 +2180,8 @@ nr_rrc_ue_establish_srb2(
                                     NULL,
                                     radioBearerConfig->drb_ToAddModList,
                                     NULL,
-                                    0,
+                                    NR_UE_rrc_inst[ctxt_pP->module_id].cipheringAlgorithm
+                                      | (NR_UE_rrc_inst[ctxt_pP->module_id].integrityProtAlgorithm << 4),
                                     NULL,
                                     NULL,
                                     kUPenc,