Merge "policy-hal: extend getDeviceForStrategy for WFD use-cases."
diff --git a/post_proc/effect_api.c b/post_proc/effect_api.c
index 2acf18e..8b8f119 100644
--- a/post_proc/effect_api.c
+++ b/post_proc/effect_api.c
@@ -42,6 +42,7 @@
 #include <audio_effects.h>
 
 #include "effect_api.h"
+#include <errno.h>
 
 #define ARRAY_SIZE(array) (sizeof array / sizeof array[0])