[farsight2/master] Add proper error on the wrong type of participant

[Olivier Crête]

---
 gst/fsrtpconference/fs-rtp-session.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/gst/fsrtpconference/fs-rtp-session.c b/gst/fsrtpconference/fs-rtp-session.c
index f6e5d47..df9cc16 100644
--- a/gst/fsrtpconference/fs-rtp-session.c
+++ b/gst/fsrtpconference/fs-rtp-session.c
@@ -466,7 +466,9 @@ fs_rtp_session_new_stream (FsSession *session, FsParticipant *participant,
   FsStream *new_stream = NULL;
 
   if (!FS_IS_RTP_PARTICIPANT (participant)) {
-    // *error = g_error_new ();
+    *error = g_error_new (FS_STREAM_ERROR,
+      FS_STREAM_ERROR_INVALID_ARGUMENTS,
+      "You have to provide a participant of type RTP");
     return NULL;
   }
   rtpparticipant = FS_RTP_PARTICIPANT (participant);
-- 
1.5.6.5