Created attachment 2105 
RsstoNavigator g_object_ref patch

Overview:

     PreloadImgs options is set to false in most of the case.


Steps to Reproduce:

     1) Open ristretto
     2) Do not open edit/preference menu
     3) close ristretto

     PreloadImgs options is always set to false.

Solution :

    In main version, when retrieving RsttoNavigator, the g_object_ref function is not applied to the returned object.

    It may be freed at the end of gtk_main().

Comment :
   
    If the navigator object is accessible when the edit/preference menu has been opened, it means that a g_object_unref function has not been called where it should have been.