Do not consider in-early-dialog requests to be bogus.

(cherry picked from commit cbbc5eff256565a3eae29a9353bbb4e3064640bb)

modules_k/dialog/dlg_hash.c

@@ -721,6 +721,7 @@ void next_state_dlg(struct dlg_cell *dlg, int event,
 			break;
 		case DLG_EVENT_REQ:
 			switch (dlg->state) {
+				case DLG_STATE_EARLY:
 				case DLG_STATE_CONFIRMED_NA:
 				case DLG_STATE_CONFIRMED:
 					break;