[nautilus] canvas-item: fix casting

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit e65443112558b2f613749b65627f294732b4e70e
Author: Carlos Soriano <csoriano gnome org>
Date:   Mon Apr 18 10:13:29 2016 +0200

    canvas-item: fix casting
    
    Having so many deprecation warnings obscure the real warnings... :/
    Should run more frequently with those disabled.

 libnautilus-private/nautilus-canvas-item.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libnautilus-private/nautilus-canvas-item.c b/libnautilus-private/nautilus-canvas-item.c
index accee93..547b9fe 100644
--- a/libnautilus-private/nautilus-canvas-item.c
+++ b/libnautilus-private/nautilus-canvas-item.c
@@ -682,7 +682,7 @@ nautilus_canvas_item_get_max_text_width (NautilusCanvasItem *item)
 
 
        canvas_item = EEL_CANVAS_ITEM (item);
-       container = canvas_item->canvas;
+       container = NAUTILUS_CANVAS_CONTAINER (canvas_item->canvas);
 
        switch (nautilus_canvas_container_get_zoom_level (container)) {
        case NAUTILUS_CANVAS_ZOOM_LEVEL_SMALL: