[gnome-control-center] network: Fix compile-time warning

[Bastien Nocera <hadess src gnome org>]

commit 892e513996f3c49cda4573b2f3385942ebd12ee7
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Sep 20 18:12:09 2010 +0100

    network: Fix compile-time warning
    
    gnome-network-properties.c:667:22: warning: pointer of type â??void *â?? used in arithmetic
    gnome-network-properties.c:667:46: warning: pointer of type â??void *â?? used in arithmetic

 panels/network/gnome-network-properties.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/network/gnome-network-properties.c b/panels/network/gnome-network-properties.c
index 47d1f56..b05b026 100644
--- a/panels/network/gnome-network-properties.c
+++ b/panels/network/gnome-network-properties.c
@@ -664,7 +664,7 @@ update_locations (GConfClient *client,
 		{
 			gchar *locp, *key_name;
 
-			locp = iter->data + strlen (LOCATION_DIR) + 1;
+			locp = (char *) (iter->data) + strlen (LOCATION_DIR) + 1;
 			key_name = gconf_unescape_key (locp, -1);
 
 			gtk_list_store_append (store, &titer);