Disable libsexy (with comment) if X is not available

package/libsexy/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_LIBSEXY
 	bool "libsexy"
 	depends on BR2_PACKAGE_LIBGTK2
+	depends on !BR2_PACKAGE_XSERVER_none
 	help
 	  libsexy is a collection of GTK+ widgets that extend the
 	  functionality of such standard widgets as GtkEntry and
@@ -8,3 +9,7 @@ config BR2_PACKAGE_LIBSEXY
 	  limitations of the widgets.
 
 	  http://www.chipx86.com/wiki/Libsexy
+
+comment "libsexy       - disabled (requires X-Windows)"
+	depends on BR2_PACKAGE_XSERVER_none
+