Merge commit '92c1a83e'

* commit '92c1a83e':
  qsv: Fix loading multiple plugins

Merged-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

libavcodec/qsv.c

@@ -219,6 +219,8 @@ int ff_qsv_init_internal_session(AVCodecContext *avctx, QSVSession *qs,
                 goto load_plugin_fail;
             }
 
+            if (*load_plugins)
+                load_plugins++;
 load_plugin_fail:
             av_freep(&plugin);
             if (err < 0)