import i18n when needed to launch history manager

src/gtkgui_helpers.py

@@ -19,6 +19,7 @@
 
 import xml.sax.saxutils
 import gtk
+import gtk.glade
 import gobject
 import pango
 import os

src/history_manager.py

@@ -27,13 +27,13 @@ import gtk
 import time
 import locale
 
+from common import i18n
 import exceptions
 import dialogs
 import gtkgui_helpers
 from common.logger import LOG_DB_PATH, constants
 
 from common import gajim
-from common import i18n
 from common import helpers
 
 # time, message, subject