[aravis] gv_interface: correctly free data from getifaddrs.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 02551437478424cb667bc3bc5bd394d60deb64f6
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Sun Oct 16 21:06:23 2011 +0200

    gv_interface: correctly free data from getifaddrs.

 src/arvgvinterface.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)
---
diff --git a/src/arvgvinterface.c b/src/arvgvinterface.c
index 65d1788..e256d5b 100644
--- a/src/arvgvinterface.c
+++ b/src/arvgvinterface.c
@@ -119,6 +119,7 @@ static void
 arv_gv_interface_build_discover_infos_list (ArvGvInterface *gv_interface)
 {
 	struct ifaddrs *ifap  = NULL;
+	struct ifaddrs *ifap_iter;
 	int return_value;
 
 	arv_gv_interface_free_discover_infos_list (gv_interface);
@@ -127,17 +128,18 @@ arv_gv_interface_build_discover_infos_list (ArvGvInterface *gv_interface)
 	if (return_value < 0)
 		return;
 
-	for (;ifap != NULL; ifap = ifap->ifa_next) {
-		if ((ifap->ifa_flags & IFF_UP) != 0 &&
-		    (ifap->ifa_flags & IFF_POINTOPOINT) == 0 &&
-		    (ifap->ifa_addr->sa_family == AF_INET)) {
+	for (ifap_iter = ifap; ifap_iter != NULL; ifap_iter = ifap_iter->ifa_next) {
+		if ((ifap_iter->ifa_flags & IFF_UP) != 0 &&
+		    (ifap_iter->ifa_flags & IFF_POINTOPOINT) == 0 &&
+		    (ifap_iter->ifa_addr->sa_family == AF_INET)) {
 			ArvGvInterfaceDiscoverInfos *infos = g_new (ArvGvInterfaceDiscoverInfos, 1);
 			GSocketAddress *socket_address;
 			GInetAddress *inet_address;
 			char *inet_address_string;
 			GError *error = NULL;
 
-			socket_address = g_socket_address_new_from_native (ifap->ifa_addr, sizeof (struct sockaddr));
+			socket_address = g_socket_address_new_from_native (ifap_iter->ifa_addr,
+									   sizeof (struct sockaddr));
 			inet_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (socket_address));
 			inet_address_string = g_inet_address_to_string (inet_address);
 			arv_debug_interface ("[GvInterface::build_discover_infos_list] Add interface %s",
@@ -146,7 +148,7 @@ arv_gv_interface_build_discover_infos_list (ArvGvInterface *gv_interface)
 			infos->interface_address = g_inet_socket_address_new (inet_address, 0);
 			g_object_unref (socket_address);
 
-			socket_address = g_socket_address_new_from_native (ifap->ifa_broadaddr,
+			socket_address = g_socket_address_new_from_native (ifap_iter->ifa_broadaddr,
 									   sizeof (struct sockaddr));
 			inet_address = g_inet_socket_address_get_address (G_INET_SOCKET_ADDRESS (socket_address));
 			infos->broadcast_address = g_inet_socket_address_new (inet_address, ARV_GVCP_PORT);