[devhelp] flatpak: switch build system to Meson

[Sébastien Wilmet <swilmet src gnome org>]

commit 36e6c4581038f4c538b9788ba20cd482f561c5d6
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Wed Mar 14 15:04:36 2018 +0100

    flatpak: switch build system to Meson

 flatpak/org.gnome.Devhelp.json |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/flatpak/org.gnome.Devhelp.json b/flatpak/org.gnome.Devhelp.json
index abd6771..6f78aeb 100644
--- a/flatpak/org.gnome.Devhelp.json
+++ b/flatpak/org.gnome.Devhelp.json
@@ -36,7 +36,8 @@
     "modules": [
         {
             "name": "devhelp",
-            "config-opts": [ "--enable-flatpak-build" ],
+            "buildsystem": "meson",
+            "config-opts": [ "-Dflatpak_build=true" ],
             "sources": [
                 {
                     "type": "git",