Curses! Fix gnuCOBOL curses problem

For extended screen I/O.

sudo apt install libncurses5-dev libncursesw5-dev

configure: Dynamic loading: System
configure: Use gettext for international messages: yes
configure: Use fcntl for file locking: yes
configure: Use math multiple precision library: gmp
configure: Use curses library for screen I/O: ncursesw
configure: Use Berkeley DB for INDEXED I/O: yes
configure: Used for XML I/O: libxml2
configure: Used for JSON I/O: json-c
bill@bill-MS-7B79:~/Downloads/Computers/Languages/gnuCOBOL/gnucobol-3.1.2$

End of make check

## ------------- ##
## Test results. ##
## ------------- ##

1082 tests behaved as expected.
4 tests were skipped.