@@ -38,12 +38,12 @@
  * Adds a buffer to the hash to be calculated.
  *
  * \param buf The buffer which should be included into calculation.
  * \param size The size of the buffer
  */
-- updateWithBuffer: (const char*)buf
-	    ofSize: (size_t)size;
+- (void)updateWithBuffer: (const char*)buf
+		  ofSize: (size_t)size;
 
 /**
  * \return A buffer containing the hash (OF_MD5_DIGEST_SIZE = 16 bytes).
  *	   The buffer is part of object's memory pool.
  */
@@ -72,12 +72,12 @@
  * Adds a buffer to the hash to be calculated.
  *
  * \param buf The buffer which should be included into calculation.
  * \param size The size of the buffer
  */
-- updateWithBuffer: (const char*)buf
-	    ofSize: (size_t)size;
+- (void)updateWithBuffer: (const char*)buf
+		  ofSize: (size_t)size;
 
 /**
  * \return A buffer containing the hash (OF_SHA1_DIGEST_SIZE = 20 bytes).
  *	   The buffer is part of object's memory pool.
  */