shadow: add patch for useradd lossage

This fixes (or, at least, papers over) a failure in do_install for recipes which
inherit useradd.bbclass.  Rewinding optind in this way is not entirely portable
but in practice it seems to work on GNU-ish build hosts at least.

(From OE-Core rev: 8fce8180c802ad187c4df44c17207bfb026ce6c7)

Signed-off-by: Phil Blundell <philb@gnu.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/shadow/files/useradd.patch

@@ -0,0 +1,17 @@
+Work around a bug introduced with the --root option which was causing
+all other arguments to be ignored.
+
+Upstream-Status: inappropriate
+Signed-off-by: Phil Blundell <philb@gnu.org>
+
+--- a/src/useradd.c~	2011-09-01 15:36:40.398234861 +0100
++++ b/src/useradd.c	2011-09-01 17:29:00.782004133 +0100
+@@ -1957,6 +1957,8 @@
+ 
+ 	get_defaults ();
+ 
++	optind = 1;
++
+ 	process_flags (argc, argv);
+ 
+ #ifdef ACCT_TOOLS_SETUID

meta/recipes-extended/shadow/shadow-native_4.1.4.3.bb

@@ -7,13 +7,14 @@ LICENSE = "BSD | Artistic"
 LIC_FILES_CHKSUM = "file://COPYING;md5=08c553a87d4e51bbed50b20e0adcaede \
                     file://src/passwd.c;firstline=8;endline=30;md5=2899a045e90511d0e043b85a7db7e2fe"
 
-PR = "r0"
+PR = "r1"
 
 SRC_URI = "http://pkg-shadow.alioth.debian.org/releases/${BPN}-${PV}.tar.bz2 \
            file://shadow.automake-1.11.patch \
            file://shadow-4.1.3-dots-in-usernames.patch \
            file://shadow-4.1.4.2-env-reset-keep-locale.patch \
-           file://add_root_cmd_options.patch"
+           file://add_root_cmd_options.patch \
+	   file://useradd.patch"
 
 SRC_URI[md5sum] = "b8608d8294ac88974f27b20f991c0e79"
 SRC_URI[sha256sum] = "633f5bb4ea0c88c55f3642c97f9d25cbef74f82e0b4cf8d54e7ad6f9f9caa778"