[newlib-cygwin] Bump tty.cc copyright date

[Corinna Vinschen]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=842983ce046e81788a85dc126fd373dc6c21039d

commit 842983ce046e81788a85dc126fd373dc6c21039d
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Wed Mar 25 17:16:52 2015 +0100

    Bump tty.cc copyright date

Diff:
---
 winsup/cygwin/tty.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/tty.cc b/winsup/cygwin/tty.cc
index 7de0fa9..3f1077d 100644
--- a/winsup/cygwin/tty.cc
+++ b/winsup/cygwin/tty.cc
@@ -1,7 +1,7 @@
 /* tty.cc
 
    Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009,
-   2010, 2011, 2012 Red Hat, Inc.
+   2010, 2011, 2012, 2013, 2015 Red Hat, Inc.
 
 This file is part of Cygwin.