diff -urN8 a/modules/pam_unix/pam_unix_passwd.c b/modules/pam_unix/pam_unix_passwd.c
--- a/modules/pam_unix/pam_unix_passwd.c	2012-10-07 12:00:32.653188557 -0500
+++ b/modules/pam_unix/pam_unix_passwd.c	2012-10-07 12:01:54.047182990 -0500
@@ -41,16 +41,17 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
 #include <string.h>
 #include <malloc.h>
 #include <unistd.h>
 #include <errno.h>
 #include <sys/types.h>
+#include <sys/resource.h>
 #include <pwd.h>
 #include <syslog.h>
 #include <shadow.h>
 #include <time.h>		/* for time() */
 #include <fcntl.h>
 #include <ctype.h>
 #include <sys/time.h>
 #include <sys/stat.h>