[gtk+] GtkPlacesSidebar: Fix an uninitialized variable in the error code path

[Kalev Lember <klember src gnome org>]

commit 34c0deb00674cb74f0860497987703c6d431b8b0
Author: Kalev Lember <kalevlember gmail com>
Date:   Tue May 7 13:41:21 2013 +0200

    GtkPlacesSidebar: Fix an uninitialized variable in the error code path
    
    Initialize it to NULL early so that we won't try to free an
    uninitialized variable when handling an error.

 gtk/gtkplacessidebar.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkplacessidebar.c b/gtk/gtkplacessidebar.c
index 310b6c7..87e0c5a 100644
--- a/gtk/gtkplacessidebar.c
+++ b/gtk/gtkplacessidebar.c
@@ -1606,6 +1606,7 @@ drag_motion_callback (GtkTreeView *tree_view,
 
        action = 0;
        drop_as_bookmarks = FALSE;
+       path = NULL;
 
        if (!sidebar->drag_data_received) {
                if (!get_drag_data (tree_view, context, time)) {
@@ -1613,7 +1614,6 @@ drag_motion_callback (GtkTreeView *tree_view,
                }
        }
 
-       path = NULL;
        res = compute_drop_position (tree_view, x, y, &path, &pos, sidebar);
 
        if (!res) {