[gnumeric] Fix crash in graphs using markups. [#663216]

[Jean BrÃfort <jbrefort src gnome org>]

commit c38c563627f5642bc36594069a05678d198b88e8
Author: Jean Brefort <jean brefort normalesup org>
Date:   Wed Nov 2 07:27:33 2011 +0100

    Fix crash in graphs using markups. [#663216]

 ChangeLog   |    5 +++++
 NEWS        |    1 +
 src/graph.c |    2 ++
 3 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 01b4494..e7d871d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2011-11-02  Jean Brefort  <jean brefort normalesup org>
+
+	* src/graph.c (gnm_go_data_vector_eval): erase markup list when changed.
+	[#663216]
+
 2011-10-31  Jean Brefort  <jean brefort normalesup org>
 
 	* src/sheet-object-image.c (gnm_soi_write_image), (soi_cb_save_as): don't
diff --git a/NEWS b/NEWS
index 2bfd4fd..e0ee06c 100644
--- a/NEWS
+++ b/NEWS
@@ -62,6 +62,7 @@ Jean:
 	[#661720, #661855]
 	* Add support for SVG images using librsvg.
 	* Fixed SVG images size. [#628472]
+	* Fix crash in graphs using markups. [#663216]
 
 Mikko Rasa:
         * Fix ODF import of certain percentage formats. [Debian #642135]
diff --git a/src/graph.c b/src/graph.c
index 2d3f71a..4da3a8e 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -472,6 +472,8 @@ gnm_go_data_vector_eval (GnmDependent *dep)
 
 	value_release (vec->val);
 	vec->val = NULL;
+	g_free (vec->markup);
+	vec->markup = NULL;
 	go_data_emit_changed (GO_DATA (vec));
 }