Set window icon

This ensures that the notes manager and the preferences dialog
has the proper window icon.

Author: City-busz

usr/lib/sticky/sticky.py

@@ -718,6 +718,8 @@ def __init__(self, *args):
             'Toggle note visibility',
             None)
 
+        Gtk.Window.set_default_icon_name("sticky")
+
     def do_command_line(self, command_line):
         options = command_line.get_options_dict()
         options = options.end().unpack()