shadow: Update to 4.6

Switched dead URLs to new upstream.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/shadow/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=shadow
-PKG_VERSION:=4.2.1
-PKG_RELEASE:=8
+PKG_VERSION:=4.6
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
-PKG_SOURCE_URL:=http://pkg-shadow.alioth.debian.org/releases
-PKG_HASH:=3b0893d1476766868cd88920f4f1231c4795652aa407569faff802bcda0f3d41
+PKG_SOURCE_URL:=https://github.com/shadow-maint/shadow/releases/download/$(PKG_VERSION)
+PKG_HASH:=0998c8d84242a231ab0acb7f8613927ff5bcff095f8aa6b79478893a03f05583
 PKG_MAINTAINER:=Steven Barth <cyrus@openwrt.org>
 PKG_LICENSE:=BSD-3-Clause
 
@@ -44,7 +44,7 @@ define Package/shadow/Default
   SECTION:=utils
   CATEGORY:=Utilities
   TITLE:=The PLD Linux shadow utilities
-  URL:=http://pkg-shadow.alioth.debian.org/
+  URL:=https://github.com/shadow-maint/shadow
 endef
 
 define Package/shadow

utils/shadow/patches/002-disable-ruser-lookup.patch

@@ -1,6 +1,6 @@
---- a/configure.in
-+++ b/configure.in
-@@ -197,7 +197,6 @@ dnl XXX - quick hack, should disappear b
+--- a/configure.ac
++++ b/configure.ac
+@@ -200,7 +200,6 @@ dnl XXX - quick hack, should disappear b
  AC_DEFINE(USE_SYSLOG, 1, [Define to use syslog().])
  if test "$ac_cv_func_ruserok" = "yes"; then
  	AC_DEFINE(RLOGIN, 1, [Define if login should support the -r flag for rlogind.])

utils/shadow/patches/003-Check-size-of-uid_t-and-gid_t-using-AC_CHECK_SIZEOF.patch

@@ -1,35 +0,0 @@
-From 2cb54158b80cdbd97ca3b36df83f9255e923ae3f Mon Sep 17 00:00:00 2001
-From: James Le Cuirot <chewi@aura-online.co.uk>
-Date: Sat, 23 Aug 2014 09:46:39 +0100
-Subject: [PATCH] Check size of uid_t and gid_t using AC_CHECK_SIZEOF
-
-This built-in check is simpler than the previous method and, most
-importantly, works when cross-compiling.
-
-Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
----
- configure.in | 14 ++++----------
- 1 file changed, 4 insertions(+), 10 deletions(-)
-
---- a/configure.in
-+++ b/configure.in
-@@ -334,16 +334,10 @@ if test "$enable_subids" != "no"; then
- 	dnl
- 	dnl FIXME: check if 32 bit UIDs/GIDs are supported by libc
- 	dnl
--	AC_RUN_IFELSE([AC_LANG_SOURCE([
--#include <sys/types.h>
--int main(void) {
--	uid_t u;
--	gid_t g;
--	return (sizeof u < 4) || (sizeof g < 4);
--}
--	])], [id32bit="yes"], [id32bit="no"])
-+	AC_CHECK_SIZEOF([uid_t],, [#include "sys/types.h"])
-+	AC_CHECK_SIZEOF([gid_t],, [#include "sys/types.h"])
- 
--	if test "x$id32bit" = "xyes"; then
-+	if test "$ac_cv_sizeof_uid_t" -ge 4 && test "$ac_cv_sizeof_gid_t" -ge 4; then
- 		AC_DEFINE(ENABLE_SUBIDS, 1, [Define to support the subordinate IDs.])
- 		enable_subids="yes"
- 	else

utils/shadow/patches/004-fix-su-controoling-term.patch

@@ -1,6 +1,6 @@
 --- a/src/su.c
 +++ b/src/su.c
-@@ -1090,8 +1090,12 @@ int main (int argc, char **argv)
+@@ -1127,8 +1127,12 @@ int main (int argc, char **argv)
  
  		if (fd >= 0) {
  			err = ioctl (fd, TIOCNOTTY, (char *) 0);