[gupnp-av] Fix a -Wcast-function-type error

[Jens Georg <jensgeorg src gnome org>]

commit 2b5bf5d92430d91683ac0dd1d22aab9fb6ef4ba6
Author: Jens Georg <mail jensge org>
Date:   Fri Oct 26 00:00:04 2018 +0200

    Fix a -Wcast-function-type error

 libgupnp-av/gupnp-didl-lite-object.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libgupnp-av/gupnp-didl-lite-object.c b/libgupnp-av/gupnp-didl-lite-object.c
index b85cf52..782d0e2 100644
--- a/libgupnp-av/gupnp-didl-lite-object.c
+++ b/libgupnp-av/gupnp-didl-lite-object.c
@@ -86,7 +86,7 @@ enum {
 };
 
 static int
-is_non_transcoded_resource (GUPnPDIDLLiteResource *resource)
+is_non_transcoded_resource (GUPnPDIDLLiteResource *resource, gpointer data)
 {
         GUPnPProtocolInfo *info;