meson: reindent all files with 8 spaces

The indentation for emacs'es meson-mode is added .dir-locals.

All files are reindented automatically, using the lasest meson-mode from git.
Indentation should now be fairly consistent.

src/hostname/meson.build

@@ -1,16 +1,14 @@
-# -*- mode: meson -*-
-
 install_data('org.freedesktop.hostname1.conf',
              install_dir : dbuspolicydir)
 install_data('org.freedesktop.hostname1.service',
              install_dir : dbussystemservicedir)
 
 if conf.get('ENABLE_HOSTNAMED', 0) == 1
-  custom_target(
-    'org.freedesktop.hostname1.policy',
-    input : 'org.freedesktop.hostname1.policy.in',
-    output : 'org.freedesktop.hostname1.policy',
-    command : intltool_command,
-    install : install_polkit,
-    install_dir : polkitpolicydir)
+        custom_target(
+                'org.freedesktop.hostname1.policy',
+                input : 'org.freedesktop.hostname1.policy.in',
+                output : 'org.freedesktop.hostname1.policy',
+                command : intltool_command,
+                install : install_polkit,
+                install_dir : polkitpolicydir)
 endif