[gnumeric] Graph: avoid glib critical.

[Morten Welinder <mortenw src gnome org>]

commit 56dedebdf5eb9e5addc8d1ea2c190468a28ea32b
Author: Morten Welinder <terra gnome org>
Date:   Wed Apr 23 11:57:13 2014 -0400

    Graph: avoid glib critical.

 ChangeLog     |    5 +++++
 src/wbc-gtk.c |    1 +
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index a471e54..413dbd8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-04-23  Morten Welinder  <terra gnome org>
+
+       * src/wbc-gtk.c (cb_update_idle): Clear ->idle when we cancel the
+       source.
+
 2014-04-22  Morten Welinder  <terra gnome org>
 
        * src/style-color.c (gnm_color_new_name): Remove.  All calls
diff --git a/src/wbc-gtk.c b/src/wbc-gtk.c
index 80200b0..4dbdae3 100644
--- a/src/wbc-gtk.c
+++ b/src/wbc-gtk.c
@@ -5401,6 +5401,7 @@ static gboolean
 cb_update_idle (GraphDimEditor *editor)
 {
        cb_graph_dim_editor_update (editor->entry, FALSE, editor);
+       editor->idle = 0;
        return FALSE;
 }