[sysprof] build: move script to meson subdir

[Christian Hergert <chergert src gnome org>]

commit 4f93ede6fa08b2572eaf05f14621bedf3958ea27
Author: Christian Hergert <chergert redhat com>
Date:   Thu Sep 28 16:27:26 2017 -0700

    build: move script to meson subdir
    
    This makes things more like various other projects in GNOME.

 .../post_install.sh}                               |    0
 meson.build                                        |    2 +-
 2 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/build-aux/meson_post_install.sh b/build-aux/meson/post_install.sh
similarity index 100%
rename from build-aux/meson_post_install.sh
rename to build-aux/meson/post_install.sh
diff --git a/meson.build b/meson.build
index 4e6f3ce..50fb40b 100644
--- a/meson.build
+++ b/meson.build
@@ -119,4 +119,4 @@ subdir('data')
 subdir('help')
 subdir('po')
 
-meson.add_install_script('build-aux/meson_post_install.sh')
+meson.add_install_script('build-aux/meson/post_install.sh')