[gnome-software] trivial: Install the GtkDoc images in the right place

[Richard Hughes <rhughes src gnome org>]

commit 45429202cdad21fb0f23c8165fd21fd2b20ea9de
Author: Richard Hughes <richard hughsie com>
Date:   Wed Dec 7 11:54:14 2016 +0000

    trivial: Install the GtkDoc images in the right place

 doc/api/meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/doc/api/meson.build b/doc/api/meson.build
index 294f4d4..5a51e64 100644
--- a/doc/api/meson.build
+++ b/doc/api/meson.build
@@ -1,7 +1,7 @@
 gnome.gtkdoc('gnome-software',
   src_dir : join_paths(meson.source_root(), 'src'),
   main_xml : 'gnome-software-docs.xml',
-  content_files : [
+  html_assets : [
     'gs-example-details.png',
     'gs-example-installed.png',
     'gs-example-search.png'