qulogic/libgnt

Add libgnt examples to build.

2017-11-16, Elliott Sales de Andrade
493c2d92d25b
Add libgnt examples to build.

They aren't built by default though because they've been broken for a
long time.
#include <ncurses.h>
int main()
{
int ch;
initscr();
noecho();
cbreak();
refresh();
WINDOW *win = newpad(20, 30);
box(win, 0, 0);
prefresh(win, 0, 0, 0, 0, 19, 29);
doupdate();
while ((ch = getch())) {
printw("%d ", ch);
refresh();
}
endwin();
return 0;
}