[nautilus] canvas-container: fix a GCC warning

[Cosimo Cecchi <cosimoc src gnome org>]

commit e07341f53d2ae588621f388d9714efeb78bda9f8
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Mon Jun 17 16:52:37 2013 -0700

    canvas-container: fix a GCC warning

 libnautilus-private/nautilus-canvas-container.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libnautilus-private/nautilus-canvas-container.c b/libnautilus-private/nautilus-canvas-container.c
index 8df1e47..91efe47 100644
--- a/libnautilus-private/nautilus-canvas-container.c
+++ b/libnautilus-private/nautilus-canvas-container.c
@@ -2334,7 +2334,7 @@ get_rubber_color (NautilusCanvasContainer *container,
                   GdkRGBA *bordercolor)
 {
        Atom         real_type;
-       gint         result;
+       gint         result = -1;
        gint         real_format;
        gulong       items_read = 0;
        gulong       items_left = 0;