[libsoup/wip/meson] Install additional missing headers for GNOME support

[Tomas Popela <tpopela src gnome org>]

commit 16d2fc2c6871be6bcccf424e3ab7b197b9685dd6
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Nov 3 13:06:24 2017 +0100

    Install additional missing headers for GNOME support

 libsoup/meson.build |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/libsoup/meson.build b/libsoup/meson.build
index 6136bcf..0a4eef0 100644
--- a/libsoup/meson.build
+++ b/libsoup/meson.build
@@ -196,7 +196,9 @@ libsoup_dep = declare_dependency(link_with : libsoup,
 
 if cdata.get('BUILD_LIBSOUP_GNOME')
   includedir = 'libsoup-gnome-@0@/libsoup'.format(apiversion)
-  install_headers(soup_gnome_headers, subdir : includedir)
+  install_headers(
+    soup_gnome_headers + ['soup-gnome.h', 'soup-gnome-features.h'],
+    subdir : includedir)
 
   libsoup_gnome = library('soup-gnome-@0@'.format(apiversion), soup_gnome_sources,
     version : libversion,