[gnome-panel] menu: initialize contents variable

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 679a4015693f6ca6ac823c736e0afb422914fe93
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Mar 21 00:28:20 2021 +0200

    menu: initialize contents variable
    
    Coverity CID: #1502708

 modules/menu/gp-bookmarks.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/modules/menu/gp-bookmarks.c b/modules/menu/gp-bookmarks.c
index c81664982..50aaae56c 100644
--- a/modules/menu/gp-bookmarks.c
+++ b/modules/menu/gp-bookmarks.c
@@ -119,6 +119,8 @@ read_bookmarks (GpBookmarks *bookmarks,
       bookmarks->bookmarks = NULL;
     }
 
+  contents = NULL;
+
   if (!g_file_load_contents (file, NULL, &contents, NULL, NULL, NULL))
     return;