meson: drop indent level from xwayland

Use the pattern to avoid identing everything, when everything in the
file is under the one conditional.

Helps readability.

Signed-off-by: Pekka Paalanen <pq@iki.fi>

xwayland/meson.build

@@ -1,31 +1,33 @@
-if get_option('xwayland')
-	srcs_xwayland = [
-		'launcher.c',
-		'window-manager.c',
-		'selection.c',
-		'dnd.c',
-		'hash.c',
-	]
-	deps_xwayland = [
-		dependency('xcb'),
-		dependency('xcb-composite'),
-		dependency('xcb-shape'),
-		dependency('xcb-xfixes'),
-		dependency('xcursor'),
-		dependency('cairo-xcb'),
-		dep_libweston,
-	]
-	plugin_xwayland = shared_library(
-		'xwayland',
-		srcs_xwayland,
-		link_with: lib_cairo_shared,
-		include_directories: include_directories('..', '../shared'),
-		dependencies: deps_xwayland,
-		name_prefix: '',
-		install: true,
-		install_dir: dir_module_libweston
-	)
-	env_modmap += 'xwayland.so=@0@;'.format(plugin_xwayland.full_path())
-
-	install_headers('xwayland-api.h', subdir: dir_include_libweston)
+if not get_option('xwayland')
+	subdir_done()
 endif
+
+srcs_xwayland = [
+	'launcher.c',
+	'window-manager.c',
+	'selection.c',
+	'dnd.c',
+	'hash.c',
+]
+deps_xwayland = [
+	dependency('xcb'),
+	dependency('xcb-composite'),
+	dependency('xcb-shape'),
+	dependency('xcb-xfixes'),
+	dependency('xcursor'),
+	dependency('cairo-xcb'),
+	dep_libweston,
+]
+plugin_xwayland = shared_library(
+	'xwayland',
+	srcs_xwayland,
+	link_with: lib_cairo_shared,
+	include_directories: include_directories('..', '../shared'),
+	dependencies: deps_xwayland,
+	name_prefix: '',
+	install: true,
+	install_dir: dir_module_libweston
+)
+env_modmap += 'xwayland.so=@0@;'.format(plugin_xwayland.full_path())
+
+install_headers('xwayland-api.h', subdir: dir_include_libweston)