Log Message:
devel/ruby-curses: update to 1.2.4

### 1.2.4 / 2017-09-13

New features:

* Update PDCurses.

Bug fixes:

* Fix the path of pdcurses.dll for i386-mingw.  (Issue #36)

Documentation:

* Include reference to ncurses dependency.  Pull request #34 by qume.