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diff --git a/contrib/libmpcdec/mpcdec/huffman.h b/contrib/libmpcdec/mpcdec/huffman.h
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+++ b/contrib/libmpcdec/mpcdec/huffman.h
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+/*
+  Copyright (c) 2005, The Musepack Development Team
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are
+  met:
+
+  * Redistributions of source code must retain the above copyright
+  notice, this list of conditions and the following disclaimer.
+
+  * Redistributions in binary form must reproduce the above
+  copyright notice, this list of conditions and the following
+  disclaimer in the documentation and/or other materials provided
+  with the distribution.
+
+  * Neither the name of the The Musepack Development Team nor the
+  names of its contributors may be used to endorse or promote
+  products derived from this software without specific prior
+  written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/// \file huffman.h
+/// Data structures and functions for huffman coding.
+
+#ifndef _mpcdec_huffman_h_
+#define _mpcdec_huffman_h_
+
+#ifndef WIN32
+#include "mpcdec/config_types.h"
+#else
+#include "mpcdec/config_win32.h"
+#endif
+
+#include "decoder.h"
+
+struct mpc_decoder_t; // forward declare to break circular dependencies
+
+/// Huffman table entry.
+typedef struct huffman_type_t {
+    mpc_uint32_t  Code;
+    mpc_uint16_t  Length;
+    mpc_int16_t   Value;
+} HuffmanTyp;
+
+#endif // _mpcdec_huffman_h_