shadow: adopt here

Signed-off-by: Steven Barth <steven@midlink.org>

utils/shadow/patches/001-busybox_ash.patch

@@ -0,0 +1,13 @@
+diff --git a/etc/login.defs b/etc/login.defs
+index 5b6fab3..79eeccf 100644
+--- a/etc/login.defs
++++ b/etc/login.defs
+@@ -111,7 +111,7 @@ NOLOGINS_FILE	/etc/nologin
+ # command is "-su".  If not defined, then "ps" would display the
+ # name of the shell actually being run, e.g. something like "-sh".
+ #
+-SU_NAME		su
++#SU_NAME		su
+ 
+ #
+ # *REQUIRED*