Log Message:
devel/ruby-curses: update to 1.2.5

### 1.2.5 / 2018-10-16

New features:

* Add mvderwin and derwin methods to Window.  Pull request #37 by meschbach.
* Add documentation link.  Pull request #39 by atshakil.

Bug fixes:

* Favor ncursesw over curses.  Pull request #40 by DivineDominion.