condition: detect TOMOYO MAC (#7249)

TOMOYO is a Mandatory Access Control security module for Linux.
Rather than ship rules, TOMOYO features a learning mode.

http://tomoyo.osdn.jp/
http://tomoyo.osdn.jp/2.5/index.html.en

src/shared/meson.build

@@ -88,6 +88,8 @@ shared_sources = '''
         sysctl-util.h
         tests.c
         tests.h
+        tomoyo-util.c
+        tomoyo-util.h
         udev-util.h
         udev-util.c
         uid-range.c