xapp_xcompmgr: select xlib_libXrender

Fixes:
http://autobuild.buildroot.net/results/969/9690a67083f31070e27c95b053fc0fd389fd373a/

libXrender is added to _DEPENDENCIES, but not selected at the kconfig level.
While we're at it, sort the selects alphabetically and drop the double
libxfixes select.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/x11r7/xapp_xcompmgr/Config.in

@@ -1,10 +1,10 @@
 config BR2_PACKAGE_XAPP_XCOMPMGR
 	bool "xcompmgr"
 	select BR2_PACKAGE_XLIB_LIBXCOMPOSITE
-	select BR2_PACKAGE_XLIB_LIBXFIXES
+	select BR2_PACKAGE_XLIB_LIBXDAMAGE
 	select BR2_PACKAGE_XLIB_LIBXEXT
 	select BR2_PACKAGE_XLIB_LIBXFIXES
-	select BR2_PACKAGE_XLIB_LIBXDAMAGE
+	select BR2_PACKAGE_XLIB_LIBXRENDER
 	help
 	  xcompmgr is a sample compositing manager that enables basic
 	  eye-candy effects.