[grilo-plugins] Emit a warning when quvi fails to parse the video URL.

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit df5be4ea0613900531b744035d2d25b0fdeaaae1
Author: Mohammed Hassan <mohammed hassan jollamobile com>
Date:   Mon Oct 1 20:32:45 2012 +0300

    Emit a warning when quvi fails to parse the video URL.
    
    This can help debugging if/when quvi fails to parse. Currently we
    will fail silently which is not that friendly.
    
    This fixes https://bugzilla.gnome.org/show_bug.cgi?id=685235

 src/youtube/grl-youtube.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/youtube/grl-youtube.c b/src/youtube/grl-youtube.c
index c07ae86..8cebebe 100644
--- a/src/youtube/grl-youtube.c
+++ b/src/youtube/grl-youtube.c
@@ -606,6 +606,10 @@ build_media_from_entry (GrlYoutubeSource *source,
         }
         quvi_parse_close (&v);
       }
+      else {
+	GRL_WARNING ("Failed to get video URL. libquvi error '%s'",
+		     quvi_strerror (source->priv->quvi_handle, rc));
+      }
     } else if (key == GRL_METADATA_KEY_EXTERNAL_PLAYER) {
       GDataYouTubeContent *youtube_content;
       youtube_content =