[glom/glom-1-26] Correct a comment.

[Murray Cumming <murrayc src gnome org>]

commit e4a5b1583b092a3c2134a02b7e88d3c74e39a16b
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Jan 15 08:59:34 2015 +0100

    Correct a comment.

 glom/mode_data/notebook_data.cc |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/glom/mode_data/notebook_data.cc b/glom/mode_data/notebook_data.cc
index d2d0a22..e712b02 100644
--- a/glom/mode_data/notebook_data.cc
+++ b/glom/mode_data/notebook_data.cc
@@ -84,8 +84,8 @@ Notebook_Data::Notebook_Data()
 
 Notebook_Data::~Notebook_Data()
 {
-  //This is a workaround to prevent our Glom::Frame_Glom::on_notebook_data_switch_page
-  //mDestructorStarted = true;
+  //This is a workaround to prevent our Glom::Frame_Glom::on_notebook_data_switch_page()
+  //signal handler from being called, which leads to a crash.
   remove_all_pages_without_signalling();
 
   remove_view(&m_Box_List);