[zenity] util: fix build with new GTK+

[Cosimo Cecchi <cosimoc src gnome org>]

commit e9fcf66cd324e0301224caa4f247c5de296d647c
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Wed Dec 22 18:42:55 2010 +0100

    util: fix build with new GTK+

 configure.in |    2 +-
 src/util.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.in b/configure.in
index 34b8681..f120430 100644
--- a/configure.in
+++ b/configure.in
@@ -32,7 +32,7 @@ zenity_save_cflags="$CFLAGS"
 # pull in the CFLAGS to locate gdkconfig.h
 CFLAGS=`$PKG_CONFIG --cflags gtk+-3.0`
 AC_COMPILE_IFELSE([
-#include <gdkconfig.h>
+#include <gdk/gdk.h>
 
 int main(void) {
 #ifndef GDK_WINDOWING_X11
diff --git a/src/util.c b/src/util.c
index 186a8db..7072c25 100644
--- a/src/util.c
+++ b/src/util.c
@@ -389,7 +389,7 @@ zenity_util_make_transient (GdkWindow *window)
 {
   Window xterm = transient_get_xterm_toplevel ();
   if (xterm != None) {
-    GdkWindow *gdkxterm = gdk_window_foreign_new (xterm);
+    GdkWindow *gdkxterm = gdk_x11_window_foreign_new_for_display (gdk_display_get_default (), xterm);
     if (gdkxterm) {
       gdk_window_set_transient_for (window, gdkxterm);
       g_object_unref (G_OBJECT (gdkxterm));