[libsigc++2] MSVC Builds: Add Forgotten Files

[Chun-wei Fan <fanchunwei src gnome org>]

commit 58c3a4af5f6e83a93ea2c5d6dff46502f668dd83
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Wed Sep 2 10:28:43 2015 +0800

    MSVC Builds: Add Forgotten Files
    
    The MSVC projects now use property sheets, but they were forgotten from
    dist in the previous commits.  Dist them... sorry!

 MSVC_Net2013/filelist.am |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/MSVC_Net2013/filelist.am b/MSVC_Net2013/filelist.am
index 47862b9..b74be25 100644
--- a/MSVC_Net2013/filelist.am
+++ b/MSVC_Net2013/filelist.am
@@ -6,6 +6,11 @@ msvc_net2013_data =                                    \
        libsigc++2.vcxproj.filters                      \
        sigc++config.h                                  \
        sigc.rc                                         \
+       sigc-build-defines.props                                \
+       sigc-debug-dll-build-defines.props              \
+       sigc-install.props                              \
+       sigc-release-dll-build-defines.props            \
+       sigc-version-paths.props                                \
        test_accum_iter.vcxproj                         \
        test_accum_iter.vcxproj.filters                 \
        test_accumulated.vcxproj                        \