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-rw-r--r--libaf/af_hrtf.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/libaf/af_hrtf.h b/libaf/af_hrtf.h
index 7501cbf194..59e5a44ee9 100644
--- a/libaf/af_hrtf.h
+++ b/libaf/af_hrtf.h
@@ -1,3 +1,6 @@
+#ifndef AF_HRTF_H
+#define AF_HRTF_H
+
#define HRTF_MIX_51 0
#define HRTF_MIX_STEREO 1
#define HRTF_MIX_MATRIX2CH 2
@@ -486,3 +489,5 @@ float cr_filt[128] = {
-0.00255615052036616, -0.0017721562881944813,
-0.0002379619297227554, 0.0007130120121089036
};
+
+#endif /* AF_HRTF_H */