discoverer: Fix debug statement.

Fixes build on macosx

diff --git a/gst-libs/gst/pbutils/gstdiscoverer.c b/gst-libs/gst/pbutils/gstdiscoverer.c
index 867fa65..dcd07f2 100644 (file)
--- a/gst-libs/gst/pbutils/gstdiscoverer.c
+++ b/gst-libs/gst/pbutils/gstdiscoverer.c
@@ -760,10 +760,10 @@ parse_stream_topology (GstDiscoverer * dc, const GstStructure * topology,
       GstCaps *caps;
       const GstStructure *st;
 
-      GST_DEBUG ("next is a structure %" GST_PTR_FORMAT);
-
       st = gst_value_get_structure (nval);
 
+      GST_DEBUG ("next is a structure %" GST_PTR_FORMAT, st);
+
       if (!parent)
         parent = res;