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.

sysusers.d/meson.build

@@ -1,33 +1,31 @@
-# -*- mode: meson -*-
-
 in_files = ['basic.conf']
 
 enable_sysusers = conf.get('ENABLE_SYSUSERS', 0) == 1
 
 foreach file : in_files
-  gen = configure_file(
-      input : file + '.in',
-      output : file,
-      configuration : substs)
-  if enable_sysusers
-    install_data(gen,
-                 install_dir : sysusersdir)
-  endif
+        gen = configure_file(
+                input : file + '.in',
+                output : file,
+                configuration : substs)
+        if enable_sysusers
+                install_data(gen,
+                             install_dir : sysusersdir)
+        endif
 endforeach
 
 m4_files = ['systemd.conf']
 
 if conf.get('ENABLE_REMOTE', 0) == 1 and conf.get('HAVE_MICROHTTPD', 0) == 1
-  m4_files += ['systemd-remote.conf']
+        m4_files += ['systemd-remote.conf']
 endif
 
 foreach file : m4_files
-  custom_target(
-    'sysusers.d/' + file,
-    input : file + '.m4',
-    output: file,
-    command : [m4, '-P'] + m4_defines + ['@INPUT@'],
-    capture : true,
-    install : enable_sysusers,
-    install_dir : sysusersdir)
+        custom_target(
+                'sysusers.d/' + file,
+                input : file + '.m4',
+                output: file,
+                command : [m4, '-P'] + m4_defines + ['@INPUT@'],
+                capture : true,
+                install : enable_sysusers,
+                install_dir : sysusersdir)
 endforeach