Created attachment 8616 
Fix warning during configure stage

I get this warning during configure stage

>xdt-autogen: It is recommended to use LT_PREREQ([2.4]) and
>             LT_INIT([disable-static]) in your configure.ac
>             file and remove AC_PROG_LIBTOOL and AC_DISABLE_STATIC.
>
>             See http://bugzilla.xfce.org/show_bug.cgi?id=6920 for
>             more information.

Patch fixes this issue.