Fix the problem of building hwloc on Windows. Temporarily not using it for Windows.

This commit was SVN r25128.

opal/mca/hwloc/base/.windows

@@ -0,0 +1,11 @@
+#
+# Copyright (c) 2011      High Performance Computing Center Stuttgart, 
+#                         University of Stuttgart.  All rights reserved.
+# $COPYRIGHT$
+# 
+# Additional copyrights may follow
+# 
+# $HEADER$
+#
+
+exclude_list=hwloc_base_dt.c

opal/mca/hwloc/base/Makefile.am

@@ -7,6 +7,8 @@
 # $HEADER$
 #
 
+EXTRA_DIST = .windows
+
 headers += \
         base/base.h