[tracker] Make tracker build with GTK 2.90.7. Fixes bug #630176.

[Martyn James Russell <mr src gnome org>]

commit abb229723eac70a6d0a28d467b5a742cae6c9c1b
Author: Andre Klapper <a9016009 gmx de>
Date:   Mon Sep 20 17:29:25 2010 +0200

    Make tracker build with GTK 2.90.7. Fixes bug #630176.

 src/plugins/nautilus/tracker-tags-extension.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/nautilus/tracker-tags-extension.c b/src/plugins/nautilus/tracker-tags-extension.c
index 48aa2c0..ae85ac4 100644
--- a/src/plugins/nautilus/tracker-tags-extension.c
+++ b/src/plugins/nautilus/tracker-tags-extension.c
@@ -125,7 +125,11 @@ menu_tags_activate_cb (NautilusMenuItem *menu_item,
 	                                      window,
 	                                      GTK_DIALOG_MODAL | 
 	                                      GTK_DIALOG_DESTROY_WITH_PARENT | 
+#if GTK_CHECK_VERSION (2,90,7)
+	                                      0,
+#else
 	                                      GTK_DIALOG_NO_SEPARATOR,
+#endif
 	                                      GTK_STOCK_CLOSE,
 	                                      GTK_RESPONSE_CLOSE,
 	                                      NULL);