From: Andrew Tropin <andrew@trop.in>
Date: Sat, 5 Feb 2022 21:06:42 +0300
Subject: [PATCH] Change path to unix_chkpwd.

unix_chkpwd is designed to have a suid bit, but it's not possible to set it
for files in /gnu/store, and this patch tells unix_pam.so to lookup up for
unix_chkpwd in directory generated by setuid-program system service.

--- a/modules/pam_unix/Makefile.in
+++ b/modules/pam_unix/Makefile.in
@@ -651,1 +651,1 @@
-	-DCHKPWD_HELPER=\"$(sbindir)/unix_chkpwd\" \
+	-DCHKPWD_HELPER=\"/run/setuid-programs/unix_chkpwd\" \