[libgepub/wip/doublepage] Added double widget to meson build

[Daniel Garcia Moreno <danigm src gnome org>]

commit f38ad653fd611b9f1b538f531b60b0c42c981212
Author: Daniel García Moreno <danigm wadobo com>
Date:   Tue May 23 14:52:10 2017 +0200

    Added double widget to meson build

 libgepub/meson.build |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/libgepub/meson.build b/libgepub/meson.build
index 7b74292..7952eb4 100644
--- a/libgepub/meson.build
+++ b/libgepub/meson.build
@@ -1,4 +1,5 @@
 headers = [
+  'gepub-double-widget.h',
   'gepub-widget.h',
   'gepub-archive.h',
   'gepub-text-chunk.h',
@@ -16,6 +17,7 @@ private_headers = [
 ]
 
 sources = [
+  'gepub-double-widget.c',
   'gepub-widget.c',
   'gepub-archive.c',
   'gepub-text-chunk.c',