workaround to let meld 1.5.2 tab/space re-arrange

modify below two place , use control-p to let tab-space re-arrange
src/meld-1.5.2/meld/meldwindow.py
("Preferences", gtk.STOCK_PREFERENCES, _("Prefere_nces"),"[control]P", _("Configure the application"),

self.on_menu_preferences_activate),("ChangesMenu", None, _("_Changes")),

### None ---"[control]P"   ###  [--> <, ]--> >

src/meld-1.5.2/meld/preferences.py
class PreferencesDialog(gnomeglade.Component):
self.fontpicker.set_font_name( self.prefs.custom_font )
self.spinbutton_tabsize.set_value( self.prefs.tab_size )
+old_tab_value = self.prefs.tab_size
+self.prefs.tab_size = 8
+self.prefs.tab_size = old_tab_value
if srcviewer.gsv is not None: