Raise an alert if CHILD_SA proposals mismatch

src/libcharon/bus/bus.h

@@ -109,6 +109,8 @@ enum alert_t {
 	ALERT_RETRANSMIT_RECEIVE,
 	/** IKE proposals do not match, argument is linked_list_t of proposal_t */
 	ALERT_PROPOSAL_MISMATCH_IKE,
+	/** CHILD proposals do not match, argument is linked_list_t of proposal_t */
+	ALERT_PROPOSAL_MISMATCH_CHILD,
 };
 
 /**