[seahorse] build: rename meson to build-aux folder

[Niels De Graef <nielsdg src gnome org>]

commit 72e75b9f01c64c82025ab3c45772863d6cf83e5f
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Thu Aug 2 21:27:16 2018 +0200

    build: rename meson to build-aux folder
    
    This is a bit more in line with a lot of other GNOME projects, and it
    allows us to add extra build scripts unrelated to Meson, such as a
    Flatpak manifest (see #7).

 {meson => build-aux}/gpg_check_version.py                | 0
 meson/post_install.py => build-aux/meson_post_install.py | 0
 meson.build                                              | 4 ++--
 3 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson/gpg_check_version.py b/build-aux/gpg_check_version.py
similarity index 100%
rename from meson/gpg_check_version.py
rename to build-aux/gpg_check_version.py
diff --git a/meson/post_install.py b/build-aux/meson_post_install.py
old mode 100644
new mode 100755
similarity index 100%
rename from meson/post_install.py
rename to build-aux/meson_post_install.py
diff --git a/meson.build b/meson.build
index 24ac9f9e..4fd88116 100644
--- a/meson.build
+++ b/meson.build
@@ -34,7 +34,7 @@ min_glib_version = '2.44'
 min_gcr_version = '3.11.91'
 min_gpgme_version = '1.7.0'
 accepted_gpg_versions = [ '2.0.12', '2.1.4', '2.2.0' ]
-gpg_check_version = find_program(join_paths('meson', 'gpg_check_version.py'))
+gpg_check_version = find_program(join_paths('build-aux', 'gpg_check_version.py'))
 
 glib_deps = [
   dependency('glib-2.0',    version: '>=' + min_glib_version),
@@ -174,7 +174,7 @@ config = declare_dependency(
 )
 
 # Post-install scripts
-meson.add_install_script(join_paths('meson', 'post_install.py'))
+meson.add_install_script(join_paths('build-aux', 'meson_post_install.py'))
 
 # subdirs
 subdir('po')