libsexy: unbreak build

libsexy doesn't depend on libX11, but it does need libxml2.

package/libsexy/Config.in

@@ -1,6 +1,7 @@
 config BR2_PACKAGE_LIBSEXY
 	bool "libsexy"
 	depends on BR2_PACKAGE_LIBGTK2
+	select BR2_PACKAGE_LIBXML2
 	help
 	  libsexy is a collection of GTK+ widgets that extend the
 	  functionality of such standard widgets as GtkEntry and
@@ -8,3 +9,4 @@ config BR2_PACKAGE_LIBSEXY
 	  limitations of the widgets.
 
 	  http://www.chipx86.com/wiki/Libsexy
+

package/libsexy/libsexy.mk

@@ -8,7 +8,7 @@ LIBSEXY_VERSION = 0.1.11
 LIBSEXY_SOURCE = libsexy-$(LIBSEXY_VERSION).tar.gz
 LIBSEXY_SITE = http://releases.chipx86.com/libsexy/libsexy/
 LIBSEXY_AUTORECONF = NO
-LIBSEXY_DEPENDENCIES = xlib_libX11 libgtk2
+LIBSEXY_DEPENDENCIES = libgtk2 libxml2
 LIBSEXY_INSTALL_TARGET = YES
 LIBSEXY_INSTALL_STAGING = YES