From bc5322e78d3929da75a592da5dd59e457db02b6a Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Wed, 20 Dec 2017 23:13:24 +0100
Subject: [PATCH] em9304: fix compile

---
 src/btstack_em9304_spi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/btstack_em9304_spi.h b/src/btstack_em9304_spi.h
index cdc5fc35a..6a4519672 100644
--- a/src/btstack_em9304_spi.h
+++ b/src/btstack_em9304_spi.h
@@ -94,7 +94,7 @@ typedef struct {
     /**
      * @brief Poll READY state
      */
-    int (*get_ready)();
+    int (*get_ready)(void);
 
     /**
      * @brief Transmit and Receive bytes via SPI