Update copyright years to include 2014.
diff --git a/build/Makefile.am b/build/Makefile.am
index 1db1db4..0bead7e 100644
--- a/build/Makefile.am
+++ b/build/Makefile.am
@@ -1,6 +1,6 @@
 #  FLAC - Free Lossless Audio Codec
 #  Copyright (C) 2002-2009  Josh Coalson
-#  Copyright (C) 2011-2013  Xiph.Org Foundation
+#  Copyright (C) 2011-2014  Xiph.Org Foundation
 #
 #  This file is part the FLAC project.  FLAC is comprised of several
 #  components distributed under different licenses.  The codec libraries
diff --git a/build/compile.mk b/build/compile.mk
index 98e128a..ae2e374 100644
--- a/build/compile.mk
+++ b/build/compile.mk
@@ -1,6 +1,6 @@
 #  FLAC - Free Lossless Audio Codec
 #  Copyright (C) 2001-2009  Josh Coalson
-#  Copyright (C) 2011-2013  Xiph.Org Foundation
+#  Copyright (C) 2011-2014  Xiph.Org Foundation
 #
 #  This file is part the FLAC project.  FLAC is comprised of several
 #  components distributed under different licenses.  The codec libraries
diff --git a/build/config.mk b/build/config.mk
index e539630..d3c6451 100644
--- a/build/config.mk
+++ b/build/config.mk
@@ -1,6 +1,6 @@
 #  FLAC - Free Lossless Audio Codec
 #  Copyright (C) 2001-2009  Josh Coalson
-#  Copyright (C) 2011-2013  Xiph.Org Foundation
+#  Copyright (C) 2011-2014  Xiph.Org Foundation
 #
 #  This file is part the FLAC project.  FLAC is comprised of several
 #  components distributed under different licenses.  The codec libraries
diff --git a/build/exe.mk b/build/exe.mk
index a44a9a9..6bf149e 100644
--- a/build/exe.mk
+++ b/build/exe.mk
@@ -1,6 +1,6 @@
 #  FLAC - Free Lossless Audio Codec
 #  Copyright (C) 2001-2009  Josh Coalson
-#  Copyright (C) 2011-2013  Xiph.Org Foundation
+#  Copyright (C) 2011-2014  Xiph.Org Foundation
 #
 #  This file is part the FLAC project.  FLAC is comprised of several
 #  components distributed under different licenses.  The codec libraries
diff --git a/build/lib.mk b/build/lib.mk
index 3cda5d0..28e0d5c 100644
--- a/build/lib.mk
+++ b/build/lib.mk
@@ -1,6 +1,6 @@
 #  FLAC - Free Lossless Audio Codec
 #  Copyright (C) 2001-2009  Josh Coalson
-#  Copyright (C) 2011-2013  Xiph.Org Foundation
+#  Copyright (C) 2011-2014  Xiph.Org Foundation
 #
 #  This file is part the FLAC project.  FLAC is comprised of several
 #  components distributed under different licenses.  The codec libraries