[gnome-control-center] network: Correctly check for error conditions

[Bastien Nocera <hadess src gnome org>]

commit 4a53e93c69b2f5d8ee6813a6cb5fc85d88375d1f
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Aug 19 18:08:12 2013 +0200

    network: Correctly check for error conditions

 panels/network/net-device-wifi.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/panels/network/net-device-wifi.c b/panels/network/net-device-wifi.c
index a349d26..ca66788 100644
--- a/panels/network/net-device-wifi.c
+++ b/panels/network/net-device-wifi.c
@@ -805,7 +805,7 @@ get_hostname (void)
 
         error = NULL;
         bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &error);
-        if (error != NULL) {
+        if (bus == NULL) {
                 g_warning ("Failed to get system bus connection: %s", error->message);
                 g_error_free (error);
 
@@ -826,7 +826,7 @@ get_hostname (void)
                                            &error);
         g_object_unref (bus);
 
-        if (error != NULL) {
+        if (res == NULL) {
                 g_warning ("Getting pretty hostname failed: %s", error->message);
                 g_error_free (error);
         }