[libsoup] meson: Add missing libsoup-gnome headers when generating enums

[Tomas Popela <tpopela src gnome org>]

commit dfaca0bd03a35426b629278067019dcc129a948d
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Sep 4 15:38:53 2018 +0200

    meson: Add missing libsoup-gnome headers when generating enums

 libsoup/meson.build | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/libsoup/meson.build b/libsoup/meson.build
index b4dbb468..1b998a6a 100644
--- a/libsoup/meson.build
+++ b/libsoup/meson.build
@@ -195,7 +195,10 @@ configure_file(input : 'soup-version.h.in',
 
 enum_types = 'soup-enum-types'
 soup_enums = gnome.mkenums('soup-enum-types',
-  sources : soup_installed_headers,
+  sources : [
+    soup_installed_headers,
+    soup_gnome_installed_headers
+  ],
   h_template : enum_types + '.h.template',
   c_template : enum_types + '.c.template',
   install_header : true,