--- ./src/session-child.c.orig	2015-10-02 17:03:43.838859203 -0400
+++ ./src/session-child.c	2015-10-02 17:06:55.192871600 -0400
@@ -203,7 +203,7 @@
 
 /* GNU provides this but we can't rely on that so let's make our own version */
 static void
-updwtmpx (const gchar *wtmp_file, struct utmpx *ut)
+_updwtmpx (const char *wtmp_file, const struct utmpx *ut)
 {
     struct utmp u;
 
@@ -415,7 +415,7 @@
             ut.ut_tv.tv_sec = tv.tv_sec;
             ut.ut_tv.tv_usec = tv.tv_usec;
 
-            updwtmpx ("/var/log/btmp", &ut);
+            _updwtmpx ("/var/log/btmp", &ut);
 
 #if HAVE_LIBAUDIT
             audit_event (AUDIT_USER_LOGIN, username, -1, remote_host_name, tty, FALSE);
@@ -734,7 +734,7 @@
             if (!pututxline (&ut))
                 g_printerr ("Failed to write utmpx: %s\n", strerror (errno));
             endutxent ();
-            updwtmpx ("/var/log/wtmp", &ut);
+            _updwtmpx ("/var/log/wtmp", &ut);
 
 #if HAVE_LIBAUDIT          
             audit_event (AUDIT_USER_LOGIN, username, uid, remote_host_name, tty, TRUE);
@@ -774,7 +774,7 @@
             if (!pututxline (&ut))
                 g_printerr ("Failed to write utmpx: %s\n", strerror (errno));
             endutxent ();
-            updwtmpx ("/var/log/wtmp", &ut);
+            _updwtmpx ("/var/log/wtmp", &ut);
 
 #if HAVE_LIBAUDIT
             audit_event (AUDIT_USER_LOGOUT, username, uid, remote_host_name, tty, TRUE);