From: Jan Engelhardt <jengelh@inai.de>
Date: 2022-04-10 13:08:44.803090340 +0200

Make the build with spandsp-3.x succeed again.

---
 ext/spandsp/gstspanplc.c |    1 +
 1 file changed, 1 insertion(+)

Index: gst-plugins-bad-1.20.1/ext/spandsp/gstspanplc.c
===================================================================
--- gst-plugins-bad-1.20.1.orig/ext/spandsp/gstspanplc.c
+++ gst-plugins-bad-1.20.1/ext/spandsp/gstspanplc.c
@@ -36,6 +36,7 @@
 #include "gstspanplc.h"
 
 #include <gst/audio/audio.h>
+#include <spandsp/private/plc.h>
 
 G_DEFINE_TYPE (GstSpanPlc, gst_span_plc, GST_TYPE_ELEMENT);
 GST_ELEMENT_REGISTER_DEFINE (spanplc, "spanplc", GST_RANK_PRIMARY,