Bug#851868: patch - fix out-of-tree build (e.g. 'make distcheck') with automake >= 1.15

[Vlad Orlov]

Hi,

I think it's better to do something (i.e. apply the patch) instead
of leaving intltool broken. I know that it had been patched in Fedora,
and there weren't any issues with that.

https://bugzilla.redhat.com/show_bug.cgi?id=1318674
http://pkgs.fedoraproject.org/cgit/rpms/intltool.git/commit/?id=6c129f09a92cbfed0d449cfb30882ed7cad0aa9b