wpa_supplicant: Update to 29-Aug-2012 TOT

commit 6ffdc2f7bd496ace7a46e055f9714e7db4b1f722
Author: Jouni Malinen <jouni@qca.qualcomm.com>
Date:   Fri Mar 2 22:31:04 2012 +0200

    WFD: Add preliminary WSD request processing and response

    This commit does not yet address support for different device roles,
    i.e., the same set of subelements are returned regardless of which
    role was indicated in the request.

    Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

Change-Id: I9d63acce719b982c02e589bb59602382e82988c8
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/crypto/sha256.h b/src/crypto/sha256.h
index 412fb60..fcac800 100644
--- a/src/crypto/sha256.h
+++ b/src/crypto/sha256.h
@@ -11,10 +11,10 @@
 
 #define SHA256_MAC_LEN 32
 
-void hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
-		      const u8 *addr[], const size_t *len, u8 *mac);
-void hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
-		 size_t data_len, u8 *mac);
+int hmac_sha256_vector(const u8 *key, size_t key_len, size_t num_elem,
+		       const u8 *addr[], const size_t *len, u8 *mac);
+int hmac_sha256(const u8 *key, size_t key_len, const u8 *data,
+		size_t data_len, u8 *mac);
 void sha256_prf(const u8 *key, size_t key_len, const char *label,
 	      const u8 *data, size_t data_len, u8 *buf, size_t buf_len);
 void tls_prf_sha256(const u8 *secret, size_t secret_len,