[devhelp] meson: join paths in a shorter manner

[Sébastien Wilmet <swilmet src gnome org>]

commit aeafce5f5f7627de141cb1796597292882a2bcfe
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Mar 12 17:17:50 2018 +0100

    meson: join paths in a shorter manner

 data/meson.build |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index d506d0f..acada63 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -1,7 +1,7 @@
 install_data(
         ['org.gnome.devhelp.gschema.xml',
          'org.gnome.libdevhelp-3.gschema.xml'],
-        install_dir : join_paths(get_option('prefix'), get_option('datadir'), 'glib-2.0', 'schemas')
+        install_dir : join_paths(get_option('prefix'), get_option('datadir'), 'glib-2.0/schemas')
 )
 
 appdata = 'org.gnome.Devhelp.appdata.xml'
@@ -38,7 +38,7 @@ configure_file(
 
 install_data(
         ['assistant.css', 'assistant.js'],
-        install_dir : join_paths(get_option('prefix'), get_option('datadir'), 'devhelp', 'assistant')
+        install_dir : join_paths(get_option('prefix'), get_option('datadir'), 'devhelp/assistant')
 )
 
 install_data(