[devhelp] build: use copy argument of configure_file

[Sébastien Wilmet <swilmet src gnome org>]

commit 116b9e7d8efc525f242371fe73d1f2e5f6e9978c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Sep 22 15:55:17 2018 +0200

    build: use copy argument of configure_file

 docs/reference/meson.build | 2 +-
 meson.build                | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/meson.build b/docs/reference/meson.build
index 8bb5a69e..2a60cb20 100644
--- a/docs/reference/meson.build
+++ b/docs/reference/meson.build
@@ -3,7 +3,7 @@ subdir('xml')
 configure_file(
         input : 'devhelp-sections.txt',
         output : 'devhelp-@0 -sections txt'.format(LIBDEVHELP_API_VERSION),
-        configuration : configuration_data() # TODO use "copy : true" when Meson 0.47 is released.
+        copy : true
 )
 
 gtkdoc_module_name = 'devhelp-@0@'.format(LIBDEVHELP_API_VERSION)
diff --git a/meson.build b/meson.build
index 26a6604d..4de18c4a 100644
--- a/meson.build
+++ b/meson.build
@@ -5,7 +5,7 @@
 
 project(
         'devhelp', 'c',
-        meson_version : '>= 0.43',
+        meson_version : '>= 0.47',
         version : '3.30.0'
 )