games/exult: Update to latest 1.5.x snapshot (Unbreaks F10+)
The previous version of Exult, 1.2, is considered ancient by the
developers. Morever, it's c++ was horrid, requiring around 3 dozen
patches just to build on equally ancient gcc 4.5.
Exult has not been released yet, but the snapshots are considered
superior even to the last RC release, 1.4.9rc. The C++ code builds
without patches on both gcc 4.7 (DragonFly) and clang from F10 (verified
The Exult Studio was added as an option, it's on by default. I did not
add the Mod or usecode compiler. If somebody wants those, they can be
added as options as well. While updating, support stage.