Don't set value pointer to zero when adding a block.

(This might cause order dependent bugs...)

Fix vesp controller block.

controller/controller/controller_block.c

@@ -170,7 +170,6 @@ int controller_block_add(struct controller_block *newblock)
 			log_send(LOG_T_DEBUG,
 			    "\t\t%d\t%s (%s)", i, newblock->input[i].name,
 			    type);
-			*newblock->input[i].value.v = NULL;
 			newblock->input[i].otherside = NULL;
 			newblock->input[i].block = newblock;
 		}
@@ -591,6 +590,10 @@ int controller_block_interm_list_init(struct controller_block *block,
 		block->input[i].value.v = (void **)(
 		    (char *)block->private + list[i].priv_offset);
 		block->input[i].ghostof = NULL;
+
+		*block->input[i].value.v = NULL;
+		block->input[i].otherside = NULL;
+		block->input[i].block = block;
 	}
 
 	return 0;

controller/vesp/block_vesp_controller.c

@@ -194,6 +194,7 @@ static struct controller_block * block_vesp_controller_create(char *name,
 	if (!(controller_tx = controller_block_alloc("vesp_controller_tx", name_tx, 0)))
 		goto err_controller;
 	free(name_tx);
+	controller_tx->private = controller->private;
 
 	controller->calculate = calculate_controller_rx;
 	controller_tx->calculate = calculate_controller_tx;