More build fixes.

diff --git a/src/lib/environment_info.cc b/src/lib/environment_info.cc
index 462e8f11fc532b90d3ca2c43bbc756a1a90ab22e..6fb75a0371e1cfebe57be9480ae6e3e7a681427a 100644 (file)
--- a/src/lib/environment_info.cc
+++ b/src/lib/environment_info.cc
@@ -42,6 +42,7 @@
 extern "C" {
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
+#include <libavfilter/avfilter.h>
 #include <libswscale/swscale.h>
 #include <libavutil/pixfmt.h>
 }