[gdm/gnome-2-30] Fix two more compiler warnings

[William Jon McCann <mccann src gnome org>]

commit 6dbaf1c4517f1c5e8a05a2c6e36f4fdc5d91c1cb
Author: William Jon McCann <jmccann redhat com>
Date:   Thu Jun 17 18:07:46 2010 -0400

    Fix two more compiler warnings

 daemon/main.c                   |    8 +++++++-
 gui/user-switch-applet/applet.c |    1 +
 2 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/daemon/main.c b/daemon/main.c
index 81dd9d3..89b5bef 100644
--- a/daemon/main.c
+++ b/daemon/main.c
@@ -344,6 +344,7 @@ gdm_daemon_check_permissions (uid_t uid,
 {
         struct stat statbuf;
         const char *auth_path;
+        int         res;
 
         auth_path = LOGDIR;
 
@@ -353,7 +354,12 @@ gdm_daemon_check_permissions (uid_t uid,
         set_effective_user_group (0, 0);
 
         /* Now set things up for us as  */
-        chown (auth_path, 0, gid);
+        res = chown (auth_path, 0, gid);
+        if (res == -1) {
+                g_warning ("Unable to change owner for auth file: %s",
+                           g_strerror (errno));
+        }
+
         g_chmod (auth_path, (S_IRWXU|S_IRWXG|S_ISVTX));
 
         set_effective_user_group (uid, gid);
diff --git a/gui/user-switch-applet/applet.c b/gui/user-switch-applet/applet.c
index d1c3a6d..b8b242f 100644
--- a/gui/user-switch-applet/applet.c
+++ b/gui/user-switch-applet/applet.c
@@ -20,6 +20,7 @@
 
 #include "config.h"
 
+#include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/types.h>