I broke allbareconfig with half-finished cleanups I'd forgotten weren't done.

Got both to a decent stopping point.  (There's a lot more cleanup to do on ls.c
but now is not the time...)

libpwdgrp/pwd_grp.c

@@ -28,9 +28,7 @@
 #include <assert.h>
 #include <ctype.h>
 
-//#include "pwd_.h"
-//#include "grp_.h"
-//#include "shadow_.h"
+#include "shadow_.h"
 
 #ifndef _PATH_SHADOW
 #define	_PATH_SHADOW	"/etc/shadow"