[libdazzle] menus: be more defensive

[Christian Hergert <chergert src gnome org>]

commit 8295ffb8701a11dfb4a3189a4c8f88971ee7d2e6
Author: Christian Hergert <chergert redhat com>
Date:   Fri Sep 1 14:17:17 2017 -0700

    menus: be more defensive

 src/menus/dzl-menu-manager.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/menus/dzl-menu-manager.c b/src/menus/dzl-menu-manager.c
index 608db05..efa60ac 100644
--- a/src/menus/dzl-menu-manager.c
+++ b/src/menus/dzl-menu-manager.c
@@ -586,7 +586,7 @@ dzl_menu_manager_remove (DzlMenuManager *self,
       /* Iterate backward so we have a stable loop variable. */
       for (i = n_items - 1; i >= 0; i--)
         {
-          guint item_merge_id;
+          guint item_merge_id = 0;
 
           if (g_menu_model_get_item_attribute (G_MENU_MODEL (menu),
                                                i,