Fix indentation errors

Thanks to Paul Franklin for noticing.

(cherry picked from commit d5f918040c)

gramps/gui/dialog.py

@@ -198,7 +198,7 @@ class ErrorDialog(Gtk.MessageDialog):
 
 class RunDatabaseRepair(ErrorDialog):
     def __init__(self, msg, parent=None):
-         ErrorDialog.__init__(
+        ErrorDialog.__init__(
             self,
             _('Error detected in database'),
             _('Gramps has detected an error in the database. This can '
@@ -209,7 +209,7 @@ class RunDatabaseRepair(ErrorDialog):
 
 class DBErrorDialog(ErrorDialog):
     def __init__(self, msg, parent=None):
-         ErrorDialog.__init__(
+        ErrorDialog.__init__(
             self,
             _("Low level database corruption detected"),
             _("Gramps has detected a problem in the underlying "