Add a missed .windows file into the tarball.

This commit was SVN r21105.

opal/mca/timer/windows/Makefile.am

@@ -5,7 +5,7 @@
 # Copyright (c) 2004-2005 The University of Tennessee and The University
 #                         of Tennessee Research Foundation.  All rights
 #                         reserved.
-# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart, 
+# Copyright (c) 2004-2009 High Performance Computing Center Stuttgart, 
 #                         University of Stuttgart.  All rights reserved.
 # Copyright (c) 2004-2005 The Regents of the University of California.
 #                         All rights reserved.
@@ -17,6 +17,8 @@
 # $HEADER$
 #
 
+EXTRA_DIST = .windows
+
 noinst_LTLIBRARIES = libmca_timer_windows.la
 
 libmca_timer_windows_la_SOURCES = \