[gnome-commander] Only unref gnomeCmdFile->info if it was set before

[Uwe Scholz <uwescholz src gnome org>]

commit bf499d129c463bf7a12b7261ac81a71cf2687336
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Tue Jun 15 23:49:23 2021 +0200

    Only unref gnomeCmdFile->info if it was set before

 src/gnome-cmd-file.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/gnome-cmd-file.cc b/src/gnome-cmd-file.cc
index 2051ee286..885cba456 100644
--- a/src/gnome-cmd-file.cc
+++ b/src/gnome-cmd-file.cc
@@ -108,7 +108,8 @@ static void gnome_cmd_file_finalize (GObject *object)
         DEBUG ('f', "file destroying 0x%p %s\n", f, g_file_info_get_display_name(f->gFileInfo));
 
     g_free (f->collate_key);
-    gnome_vfs_file_info_unref (f->info);
+    if (f->info)
+        gnome_vfs_file_info_unref (f->info);
     g_object_unref(f->gFileInfo);
     if (f->priv->dir_handle)
         handle_unref (f->priv->dir_handle);