overlay: clear cur_buf on main input link.

[ffmpeg] / libavfilter / vsink_nullsink.c

diff --git a/libavfilter/vsink_nullsink.c b/libavfilter/vsink_nullsink.c
index 50fd728bfc841f3fa1363e5a3b1535965e5bb2d9..82d2d32b1e50c5ba7c11c66fcc85981ecabd3c25 100644 (file)
--- a/libavfilter/vsink_nullsink.c
+++ b/libavfilter/vsink_nullsink.c
@@ -17,6 +17,7 @@
  */
 
 #include "avfilter.h"
+#include "internal.h"
 
 static void start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
 {