Merge commit 'dbb1425811a672eddf4acf0513237cdf20f83756'

* commit 'dbb1425811a672eddf4acf0513237cdf20f83756':
  lavf: make sure stream probe data gets freed.
  avfiltergraph: set deprecated filter_count.

Conflicts:
	libavformat/utils.c

See: 44a7a6300d

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/avfiltergraph.c

@@ -84,6 +84,10 @@ int avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter)
     graph->filters = filters;
     graph->filters[graph->nb_filters++] = filter;
 
+#if FF_API_FOO_COUNT
+    graph->filter_count_unused = graph->nb_filters;
+#endif
+
     return 0;
 }