If selinux isn't enabled, these are reported as unused, so let's
add pragmas to tell clang-tidy to keep these.
#include "path-util.h"
#include "pidref.h"
#include "process-util.h"
-#include "selinux-access.h"
+#include "selinux-access.h" /* IWYU pragma: keep */
#include "serialize.h"
#include "set.h"
#include "special.h"
#include "reboot-util.h"
#include "seccomp-util.h"
#include "securebits-util.h"
-#include "selinux-util.h"
+#include "selinux-util.h" /* IWYU pragma: keep */
#include "set.h"
#include "show-status.h"
#include "signal-util.h"