Update FLAC to 1.3.1

src/libFLAC/include/protected/stream_encoder.h

Index: src/libFLAC/include/protected/stream_encoder.h
diff --git a/src/libFLAC/include/protected/stream_encoder.h b/src/libFLAC/include/protected/stream_encoder.h
index 4101ee5528890b266a6205f64ba7f969d891da99..6917f5d4899a382ea2dab192d2db53616c2060c5 100644
--- a/src/libFLAC/include/protected/stream_encoder.h
+++ b/src/libFLAC/include/protected/stream_encoder.h
@@ -1,5 +1,6 @@
 /* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005,2006,2007  Josh Coalson
+ * Copyright (C) 2001-2009  Josh Coalson
+ * Copyright (C) 2011-2014  Xiph.Org Foundation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -58,6 +59,8 @@ typedef enum {
 	FLAC__APODIZATION_RECTANGLE,
 	FLAC__APODIZATION_TRIANGLE,
 	FLAC__APODIZATION_TUKEY,
+	FLAC__APODIZATION_PARTIAL_TUKEY,
+	FLAC__APODIZATION_PUNCHOUT_TUKEY,
 	FLAC__APODIZATION_WELCH
 } FLAC__ApodizationFunction;
 
@@ -70,6 +73,11 @@ typedef struct {
 		struct {
 			FLAC__real p;
 		} tukey;
+		struct {
+			FLAC__real p;
+			FLAC__real start;
+			FLAC__real end;
+		} multiple_tukey;
 	} parameters;
 } FLAC__ApodizationSpecification;