[quadrapassel] Updated the path of meson_post_install.py

[John Ward <jward src gnome org>]

commit a30342456414f1f0851694ff7eb9fa90b09c7d12
Author: John Ward <john johnward net>
Date:   Fri Feb 7 22:29:27 2020 +0000

    Updated the path of meson_post_install.py

 build-aux/meson_post_install.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/meson_post_install.py b/build-aux/meson_post_install.py
index 6d18340..3397159 100644
--- a/build-aux/meson_post_install.py
+++ b/build-aux/meson_post_install.py
@@ -4,7 +4,7 @@ from os import environ, path
 from subprocess import call
 
 if not environ.get('DESTDIR', ''):
-    PREFIX = environ.get('MESON_INSTALL_PREFIX', '/usr/local')
+    PREFIX = environ.get('MESON_INSTALL_PREFIX', '/usr')
     DATA_DIR = path.join(PREFIX, 'share')
     print('Updating icon cache...')
     call(['gtk-update-icon-cache', '-qtf', path.join(DATA_DIR, 'icons/hicolor')])