util-linux: backport sulogin(8) fix.

sulogin wasn't actually logging in, making single user mode useless.

Reported by kciN on IRC.

srcpkgs/util-linux/patches/0001-sulogin-fix-getpasswd.patch

@@ -0,0 +1,26 @@
+From 3c466f7c353beb3076a2be8fb2931b9951430128 Mon Sep 17 00:00:00 2001
+From: Karel Zak <kzak@redhat.com>
+Date: Thu, 29 Jul 2021 21:28:00 +0200
+Subject: [PATCH 1/6] sulogin: fix getpasswd()
+
+Fixes: https://github.com/karelzak/util-linux/issues/1400
+Signed-off-by: Karel Zak <kzak@redhat.com>
+---
+ login-utils/sulogin.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/login-utils/sulogin.c b/login-utils/sulogin.c
+index 3016ef483..4d48943ad 100644
+--- a/login-utils/sulogin.c
++++ b/login-utils/sulogin.c
+@@ -621,6 +621,7 @@ static char *getpasswd(struct console *con)
+ 	cp = &con->cp;
+ 	tty = con->tio;
+ 
++	ret = pass;
+ 	tty.c_iflag &= ~(IUCLC|IXON|IXOFF|IXANY);
+ 	tty.c_lflag &= ~(ECHO|ECHOE|ECHOK|ECHONL|TOSTOP|ISIG);
+ 	tc = (tcsetattr(fd, TCSAFLUSH, &tty) == 0);
+-- 
+2.32.0
+

srcpkgs/util-linux/template

@@ -2,7 +2,7 @@
 # Keep this package sync with util-linux-common
 pkgname=util-linux
 version=2.37.1
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--exec-prefix=\${prefix} --enable-libuuid --disable-makeinstall-chown
  --enable-libblkid --enable-fsck --disable-rpath --enable-fs-paths-extra=/usr/sbin:/usr/bin