[vinagre] Fix some pointer type mismatch warnings

[David King <davidk src gnome org>]

commit fd8fcf148ec61f4aa26c8aa710ffa5f7b8f56dd4
Author: David King <amigadave amigadave com>
Date:   Sat Dec 17 23:02:49 2011 +0100

    Fix some pointer type mismatch warnings

 vinagre/vinagre-connect.c      |    2 +-
 vinagre/vinagre-tube-handler.c |    3 ++-
 vinagre/vinagre-window.c       |    2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/vinagre/vinagre-connect.c b/vinagre/vinagre-connect.c
index 038a87b..388bf15 100644
--- a/vinagre/vinagre-connect.c
+++ b/vinagre/vinagre-connect.c
@@ -436,7 +436,7 @@ vinagre_connect (VinagreWindow *window)
 
   if (result == GTK_RESPONSE_HELP)
     {
-      vinagre_utils_show_help (window, "connect");
+      vinagre_utils_show_help (GTK_WINDOW (window), "connect");
     }
   else if (result == GTK_RESPONSE_OK)
     {
diff --git a/vinagre/vinagre-tube-handler.c b/vinagre/vinagre-tube-handler.c
index 2116df8..291d4d6 100644
--- a/vinagre/vinagre-tube-handler.c
+++ b/vinagre/vinagre-tube-handler.c
@@ -288,7 +288,8 @@ vinagre_tube_handler_call_service_cb (TpProxy *channel,
   tp_conn = tp_channel_borrow_connection ((TpChannel *) channel);
   if (!tp_strdiff (tp_connection_get_protocol_name (tp_conn), "jabber"))
     {
-      vinagre_vnc_connection_set_depth_profile (conn, 3);
+      vinagre_vnc_connection_set_depth_profile (VINAGRE_VNC_CONNECTION (conn),
+        3);
     }
 
   g_free (host);
diff --git a/vinagre/vinagre-window.c b/vinagre/vinagre-window.c
index 8cb98d1..20ef4f5 100644
--- a/vinagre/vinagre-window.c
+++ b/vinagre/vinagre-window.c
@@ -732,7 +732,7 @@ _init_reverse_connections (VinagreWindow *window)
 static void
 _on_infobar_response (GtkInfoBar *infobar, gint response_id, gpointer user_data)
 {
-    VinagreWindow *window = VINAGRE_WINDOW (user_data);
+    GtkWindow *window = GTK_WINDOW (user_data);
 
     switch (response_id)
     {