Update copyright on files affected by libmatrix update.
diff --git a/src/options.cpp b/src/options.cpp
index 16842af..52d11eb 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2011 Linaro Limited
+ * Copyright © 2011-2012 Linaro Limited
  *
  * This file is part of glcompbench.
  *