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-rw-r--r--examples/almultireverb.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/almultireverb.c b/examples/almultireverb.c
index 6f583a50..2f820914 100644
--- a/examples/almultireverb.c
+++ b/examples/almultireverb.c
@@ -31,6 +31,7 @@
#include <stdio.h>
#include <assert.h>
+#include <math.h>
#include <SDL_sound.h>