label __fin_up2 name fix in channel.c

lib/channel.c

@@ -57,7 +57,7 @@ int __alloc_channel(ulong_t cid, conn_t *co, rpc_typed_list_t *rlist, chnl_t **c
   else if(idx_allocator_init(idx_msg, MAX_MSGINDEX, 0)) goto __fin_enomem;
 
   if(!ch || !msg_tree) {
-  __fun_up2:
+  __fin_up2:
     idx_allocator_destroy(idx_msg);
   __fin_enomem:
     r = ENOMEM;