directsound: missing header

diff --git a/modules/audio_output/directsound.c b/modules/audio_output/directsound.c
index c888757508765b2cd8c53f0a0c7f471975afc759..8ec0fd665ecc35bc3b5d06cce2f0a8764853355e 100644 (file)
--- a/modules/audio_output/directsound.c
+++ b/modules/audio_output/directsound.c
@@ -29,6 +29,7 @@
 # include "config.h"
 #endif
 
+#include <assert.h>
 #include <math.h>
 
 #include <vlc_common.h>