last remaining warning

Change-Id: I1f49d96cdb5e342041c9a72ef31df361a1b609eb

vp9/encoder/x86/vp9_dct_mmx.h

+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef __INC_VP9_DCT_MMX_H_
+#define __INC_VP9_DCT_MMX_H_
+
+extern void vp9_short_fdct4x4_mmx(short *input, short *output, int pitch);
+
+
+#endif /* VP9_ENCODER_X86_VP9_DCT_MMX_H_ */

vp9/encoder/x86/vp9_x86_csystemdependent.c

@@ -13,6 +13,7 @@
 #include "vpx_ports/x86.h"
 #include "vp9/encoder/vp9_variance.h"
 #include "vp9/encoder/vp9_onyx_int.h"
+#include "vp9/encoder/x86/vp9_dct_mmx.h"
 
 // TODO(jimbankoski) Consider rewriting the c to take the same values rather
 // than going through these pointer conversions