[gnumeric] GUI: plug leak.

[Morten Welinder <mortenw src gnome org>]

commit 0ab8d6a18cb7d28af8e29f81988f7788e6fba63b
Author: Morten Welinder <terra gnome org>
Date:   Wed Feb 23 09:33:26 2011 -0500

    GUI: plug leak.

 src/dialogs/ChangeLog     |    4 ++++
 src/dialogs/dialog-zoom.c |    5 +++++
 2 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/src/dialogs/ChangeLog b/src/dialogs/ChangeLog
index a715c44..af71f8b 100644
--- a/src/dialogs/ChangeLog
+++ b/src/dialogs/ChangeLog
@@ -1,3 +1,7 @@
+2011-02-23  Morten Welinder  <terra gnome org>
+
+	* dialog-zoom.c (cb_zoom_destroy): Plug leak.
+
 2011-02-22  Morten Welinder  <terra gnome org>
 
 	* dialog-search-replace.c (dialog_search_replace): Plug leak.
diff --git a/src/dialogs/dialog-zoom.c b/src/dialogs/dialog-zoom.c
index e119f84..479c314 100644
--- a/src/dialogs/dialog-zoom.c
+++ b/src/dialogs/dialog-zoom.c
@@ -72,6 +72,11 @@ static const struct {
 static void
 cb_zoom_destroy (ZoomState *state)
 {
+	if (state->sheet_list_model) {
+		g_object_unref (state->sheet_list_model);
+		state->sheet_list_model = NULL;
+	}
+
 	if (state->gui != NULL) {
 		g_object_unref (G_OBJECT (state->gui));
 		state->gui = NULL;