Adds a modern OS X interface for the rogue-like game, Hengband ( https://hengband.github.io ).
Uses the source code tagged as 1.6.2 with some changes to add a macOS interface and compile as a 64-bit application. The macOS interface requires 10.8.
The macOS front end is nearly the same as in 126.96.36.199d. The changes are:
The core Hengband code is that tagged 1.6.2 with the following changes: