[gthumb] reset the has_[audio|video] flags before loading a new file

[Paolo Bacchilega <paobac src gnome org>]

commit b0596bffd1f7d9e13eed77a9fde80d0589bda85f
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri Nov 4 09:33:29 2011 +0100

    reset the has_[audio|video] flags before loading a new file

 extensions/gstreamer_tools/gth-media-viewer-page.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/extensions/gstreamer_tools/gth-media-viewer-page.c b/extensions/gstreamer_tools/gth-media-viewer-page.c
index e12c000..a9bb290 100644
--- a/extensions/gstreamer_tools/gth-media-viewer-page.c
+++ b/extensions/gstreamer_tools/gth-media-viewer-page.c
@@ -1112,6 +1112,8 @@ gth_media_viewer_page_real_view (GthViewerPage *base,
 	self->priv->file_data = gth_file_data_dup (file_data);
 
 	self->priv->duration = 0;
+	self->priv->has_audio = FALSE;
+	self->priv->has_video = FALSE;
 
 	_g_object_unref (self->priv->icon);
 	self->priv->icon = NULL;