[totem] main: Avoid some warnings zooming in on startup

[Bastien Nocera <hadess src gnome org>]

commit 29c3c8d614f2dc54f7f4b2c6afe73f75e713b7a5
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Dec 17 13:19:10 2010 +0000

    main: Avoid some warnings zooming in on startup

 src/totem-object.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/totem-object.c b/src/totem-object.c
index 711e068..d3832b9 100644
--- a/src/totem-object.c
+++ b/src/totem-object.c
@@ -1999,6 +1999,9 @@ totem_action_zoom (TotemObject *totem, double zoom)
 	GtkAction *action;
 	gboolean zoom_reset, zoom_in, zoom_out;
 
+	if (totem->bvw == NULL)
+		return;
+
 	if (zoom == ZOOM_ENABLE)
 		zoom = bacon_video_widget_get_zoom (totem->bvw);
 
@@ -2031,6 +2034,9 @@ totem_action_zoom_relative (TotemObject *totem, double off_pct)
 {
 	double zoom;
 
+	if (totem->bvw == NULL)
+		return;
+
 	zoom = bacon_video_widget_get_zoom (totem->bvw);
 	totem_action_zoom (totem, zoom + off_pct);
 }