patch 8.0.1010: build failure without termresponse feature commit https://github.com/vim/vim/commit/3c37a8e66008aadfe428a32ecf46aab4b9e285ae Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 28 23:00:55 2017 +0200 patch 8.0.1010: build failure without termresponse feature Problem: Build failure without termresponse feature. Solution: Add #ifdef.

This is a MODIFIED version of libvterm.

The original can be found:
- on the original site (tar archive and Bazaar repository):
	http://www.leonerd.org.uk/code/libvterm/
- cloned on Github:
	https://github.com/neovim/libvterm

Modifications:
- Add a .gitignore file.
- Convert from C99 to C90.
- Other changes to support embedding in Vim.