Allow LOGIN_ENV_SAFELIST (from util-linux) in /etc/login.defs

Using patch from upstream.

Gbp-Dch: full

debian/patches/series

@@ -10,3 +10,4 @@ debian/Stop-building-programs-we-do-not-install.patch
 debian/Warn-when-badname-and-variants-are-given.patch
 debian/configure.ac-align-exec_prefix-with-prefix.patch
 upstream/Accept-usr-sbin-nologin-as-an-alternate-to-sbin-nologin.patch
+upstream/Add-LOGIN_ENV_SAFELIST-to-FOREIGNDEFS.patch

debian/patches/upstream/Add-LOGIN_ENV_SAFELIST-to-FOREIGNDEFS.patch

@@ -0,0 +1,24 @@
+From: Stanislav Brabec <sbrabec@suse.cz>
+Date: Wed, 9 Apr 2025 02:03:10 +0200
+Subject: Add LOGIN_ENV_SAFELIST to FOREIGNDEFS
+
+util-linux-2.41 introduced new variable: LOGIN_ENV_SAFELIST.
+Add it to known login.defs variables.
+
+Signed-off-by: Stanislav Brabec <sbrabec@suse.cz>
+---
+ lib/getdef.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/lib/getdef.c b/lib/getdef.c
+index e354d89..8883a29 100644
+--- a/lib/getdef.c
++++ b/lib/getdef.c
+@@ -76,6 +76,7 @@ struct itemdef {
+ #define FOREIGNDEFS				\
+ 	{"ALWAYS_SET_PATH", NULL},		\
+ 	{"ENV_ROOTPATH", NULL},			\
++	{"LOGIN_ENV_SAFELIST", NULL},		\
+ 	{"LOGIN_KEEP_USERNAME", NULL},		\
+ 	{"LOGIN_PLAIN_PROMPT", NULL},		\
+ 	{"MOTD_FIRSTONLY", NULL},		\