sync code with last improvements from OpenBSD

lib/libxcvt/man/meson.build

@@ -0,0 +1,12 @@
+man_conf = configuration_data()
+man_conf.set('appmansuffix', '1')
+man_conf.set('filemansuffix', '5')
+man_conf.set('vendorversion',
+	'"libxcvt @0@" "X Version 11"'.format(meson.project_version()))
+
+configure_file(
+	input: 'cvt.man',
+	output: 'cvt.1',
+	install_dir: join_paths(man, 'man1'),
+	configuration: man_conf
+)