[gnome-builder] build: fix meson build

[Christian Hergert <chergert src gnome org>]

commit 4ceeea50f120711743767808e584b065d3774895
Author: Christian Hergert <chergert redhat com>
Date:   Wed May 31 22:45:29 2017 -0700

    build: fix meson build

 meson.build                 |    2 +-
 plugins/devhelp/meson.build |    1 +
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index a57b482..3fae7df 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('gnome-builder', 'c',
   license: 'GPL3+',
-  version: '3.25.1',
+  version: '3.25.2',
   meson_version: '>= 0.37.0',
   default_options: [
     'c_std=gnu11',
diff --git a/plugins/devhelp/meson.build b/plugins/devhelp/meson.build
index 7f2fbd3..46d8da9 100644
--- a/plugins/devhelp/meson.build
+++ b/plugins/devhelp/meson.build
@@ -24,6 +24,7 @@ devhelp_sources = [
 
 devhelp_deps = plugin_deps + [
   dependency('libdevhelp-3.0', version: '>=3.20.0'),
+  libgd_dep,
 ]
 
 shared_module('devhelp-plugin', devhelp_sources,