Update Copyright headers

test/hb-test.h

diff --git a/test/hb-test.h b/test/hb-test.h
index 42f0d44..2c04642 100644
--- a/test/hb-test.h
+++ b/test/hb-test.h
@@ -1,4 +1,19 @@
-/* * Copyright (C) 2010  Google, Inc.  * *  This is part of HarfBuzz, a text shaping library.  * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * software and its documentation for any purpose, provided that the * above copyright notice and the following two paragraphs appear in * all copies of this software.  * * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE.
+/*
+ * Copyright © 2011  Google, Inc.
+ *
+ *  This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
  *
  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

test/test-buffer.c

diff --git a/test/test-buffer.c b/test/test-buffer.c
index 464ec89..ab7f204 100644
--- a/test/test-buffer.c
+++ b/test/test-buffer.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010  Google, Inc.
+ * Copyright © 2011  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *

test/test-c.c

diff --git a/test/test-c.c b/test/test-c.c
index 37f02ff..a48f030 100644
--- a/test/test-c.c
+++ b/test/test-c.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010  Google, Inc.
+ * Copyright © 2011  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *

test/test-common.c

diff --git a/test/test-common.c b/test/test-common.c
index daf2754..96607d2 100644
--- a/test/test-common.c
+++ b/test/test-common.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010  Google, Inc.
+ * Copyright © 2011  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *

test/test-cplusplus.cc

diff --git a/test/test-cplusplus.cc b/test/test-cplusplus.cc
index 3488b78..55a4d18 100644
--- a/test/test-cplusplus.cc
+++ b/test/test-cplusplus.cc
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010  Google, Inc.
+ * Copyright © 2011  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *

test/test-unicode.c

diff --git a/test/test-unicode.c b/test/test-unicode.c
index b7a5702..324fa1f 100644
--- a/test/test-unicode.c
+++ b/test/test-unicode.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 Codethink Limited
+ * Copyright © 2011 Codethink Limited
  *
  *  This is part of HarfBuzz, a text shaping library.
  *