[epiphany/gnome-2-30] downloader-view.c: do not overwrite timeout ID

[Diego Escalante Urrelo <diegoe src gnome org>]

commit 0c764e313461fcd3cebbb765e4ecef689be17ee6
Author: Xan Lopez <xan gnome org>
Date:   Mon Aug 30 18:18:20 2010 +0900

    downloader-view.c: do not overwrite timeout ID
    
    We just use it to update the buttons 100ms later, so having one is
    enough. If we overwrite it we might crash down the road when we run
    the timeout on a disposed DV.

 embed/downloader-view.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/embed/downloader-view.c b/embed/downloader-view.c
index c5ec5c4..e62064a 100644
--- a/embed/downloader-view.c
+++ b/embed/downloader-view.c
@@ -803,7 +803,8 @@ downloader_view_add_download (DownloaderView *dv,
 	}
 #endif
 
-	dv->priv->source_id = g_timeout_add (100, (GSourceFunc) update_buttons_timeout_cb, dv);
+	if (dv->priv->source_id == 0)
+	    dv->priv->source_id = g_timeout_add (100, (GSourceFunc) update_buttons_timeout_cb, dv);
 }
 
 static void