[gnumeric] GUI: Fix crash in define-name dialog when sheet is removed underneath it

[Morten Welinder <mortenw src gnome org>]

commit 31e20fb33f5efa32c83097c17d525c11203227c3
Author: Morten Welinder <terra gnome org>
Date:   Sun Mar 3 18:41:39 2013 -0500

    GUI: Fix crash in define-name dialog when sheet is removed underneath it

 NEWS                              |    2 +-
 src/dialogs/ChangeLog             |    1 +
 src/dialogs/dialog-define-names.c |    3 +++
 3 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/NEWS b/NEWS
index f486b31..c226b6c 100644
--- a/NEWS
+++ b/NEWS
@@ -41,7 +41,7 @@ Morten:
        * Unconditionally enable solver.
        * Rewrite the file history dialog.  [#694777]
        * Fix R.QF and R.QBINOM documentation.
-       * Fix sheet-removed crash for goal-seek.c.  [#364291]
+       * Fix sheet-removed crash for goal-seek and define-name.  [#364291]
 
 --------------------------------------------------------------------------
 Gnumeric 1.12.0
diff --git a/src/dialogs/ChangeLog b/src/dialogs/ChangeLog
index 241e445..12a8568 100644
--- a/src/dialogs/ChangeLog
+++ b/src/dialogs/ChangeLog
@@ -2,6 +2,7 @@
 
        * dialog-goal-seek.c (dialog_init): Setup destroy handler for
        sheet removal.  [#364291]
+       * dialog-define-names.c (name_guru_init): Ditto.
 
 2013-03-02  Jean Brefort  <jean brefort normalesup org>
 
diff --git a/src/dialogs/dialog-define-names.c b/src/dialogs/dialog-define-names.c
index 9111dda..77016b5 100644
--- a/src/dialogs/dialog-define-names.c
+++ b/src/dialogs/dialog-define-names.c
@@ -1073,6 +1073,9 @@ name_guru_init (NameGuruState *state, WBCGtk *wbcg, gboolean is_paste_dialog)
 
        state->dialog = go_gtk_builder_get_widget (state->gui, "NameGuru");
 
+       gnm_dialog_setup_destroy_handlers (GTK_DIALOG (state->dialog),
+                                          state->wbcg,
+                                          GNM_DIALOG_DESTROY_SHEET_REMOVED);
        state->model     = gtk_tree_store_new
                (NUM_COLMNS,
                 G_TYPE_STRING, G_TYPE_POINTER, G_TYPE_STRING,