pam: Compile fix for newer glibcs

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

src/patches/pam-0.99.10.0-rlimit-build-fix.patch

@@ -0,0 +1,28 @@
+From 8e508f23bf5ed727649c99bbd540f7b1c2c2bd35 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Stevan=20Baji=C4=87?= <stevan@bajic.ch>
+Date: Mon, 9 Jul 2012 09:43:11 +0200
+Subject: [PATCH] RLIMIT_* variables are no longer defined unless you
+ explicitly include sys/resource.h.
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
+
+modules/pam_unix/pam_unix_acct.c: Include sys/resource.h.
+---
+ modules/pam_unix/pam_unix_acct.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/modules/pam_unix/pam_unix_acct.c b/modules/pam_unix/pam_unix_acct.c
+index 8e90cc9..4a362f8 100644
+--- a/modules/pam_unix/pam_unix_acct.c
++++ b/modules/pam_unix/pam_unix_acct.c
+@@ -41,6 +41,7 @@
+ #include <string.h>
+ #include <unistd.h>
+ #include <sys/types.h>
++#include <sys/resource.h>
+ #include <syslog.h>
+ #include <pwd.h>
+ #include <shadow.h>