[gnome-color-manager/wip/hughsie/meson] help: add legal.xml to meson.build

[Piotr Drąg <piotrdrag src gnome org>]

commit f9507dbbf3d2d21a17e7f199d4779cd5736e79c6
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Mon Aug 7 17:32:37 2017 +0200

    help: add legal.xml to meson.build

 help/meson.build |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/help/meson.build b/help/meson.build
index 4c4253a..6fcf06d 100644
--- a/help/meson.build
+++ b/help/meson.build
@@ -1,5 +1,6 @@
 gnome.yelp('gnome-color-manager',
    sources: [
+    'legal.xml',
     'color-import-linux.page',
     'color-import-windows.page',
     'color-import-osx.page',