[gtkmm-documentation] Correct ChangeLog

[Murray Cumming <murrayc src gnome org>]

commit 5b59d993e49f057430c0bf54ed5408db8dc82dfb
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Mar 18 21:29:40 2011 +0100

    Correct ChangeLog

 ChangeLog |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 34e8733..6581c6a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-03-18  Kalev Lember <kalev smartlink ee>
+
+    ComboBox: Use set_entry_text_column() instead of set_text_column()
+    
+    * docs/tutorial/C/gtkmm-tutorial-in.xml:
+    * examples/book/combobox/entry_complex/examplewindow.cc: Updated the
+    files to use set_entry_text_column() instead of set_text_column() which
+    was a leftover from ComboBoxEntry's removal.
+
 2011-03-09  Murray Cumming  <murrayc murrayc/cp,>
 
 	Gtk::Application example: open an empty document if none is specified.