[gtk+] Fix distclean

[Matthias Clasen <matthiasc src gnome org>]

commit 52dd61ac45c24a51ae9cc82049f094258b63d3e7
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Sep 21 22:01:59 2015 -0400

    Fix distclean

 build/win32/vs10/Makefile.am |    7 ++++++-
 build/win32/vs9/Makefile.am  |    9 +++++++--
 2 files changed, 13 insertions(+), 3 deletions(-)
---
diff --git a/build/win32/vs10/Makefile.am b/build/win32/vs10/Makefile.am
index 5984517..9bc0e9b 100644
--- a/build/win32/vs10/Makefile.am
+++ b/build/win32/vs10/Makefile.am
@@ -20,7 +20,12 @@ GENERATED_ITEMS = \
        gailutil-3.vcxproj                      \
        gailutil-3.vcxproj.filters              \
        gtk3-install.props                      \
-       gtk3-version-paths.props
+       gtk3-version-paths.props                \
+       gdk3-broadway.vs10.headers              \
+       gdk-3.vs10.headers                      \
+       gtk-3.vs10.headers                      \
+       gailutil-3.vs10.headers                 \
+       gdk3-win32.vs10.headers
 
 EXTRA_DIST += \
        README.txt                              \
diff --git a/build/win32/vs9/Makefile.am b/build/win32/vs9/Makefile.am
index 7c0cb24..735d780 100644
--- a/build/win32/vs9/Makefile.am
+++ b/build/win32/vs9/Makefile.am
@@ -9,9 +9,14 @@ GENERATED_ITEMS = \
        gtk3-demo.vcproj                \
        gtk3-demo-application.vcproj    \
        gtk3-icon-browser.vcproj        \
-       gailutil-3.vcproj                       \
+       gailutil-3.vcproj               \
        gtk3-install.vsprops            \
-       gtk3-version-paths.vsprops
+       gtk3-version-paths.vsprops      \
+       gdk3-win32.headers              \
+       gailutil-3.headers              \
+       gdk-3.headers                   \
+       gdk3-broadway.headers           \
+       gtk-3.headers
 
 EXTRA_DIST += \
        README.txt                      \