loki_setup autoconf doesn't check for curses

[Timothee Besset]

Should check for curses during the config stage, should it?

gcc -o setup log.o install_log.o detect.o plugins.o network.o install.o copy.o file.o loki_launchurl.o main.o console_ui.o dialog_ui.o plugins/libplugins.a dialog/libdialog.a /home/timo/icculus.org/loki_setup/../loki_setupdb/x86/libsetupdb.a plugins/libplugins.a dialog/libdialog.a /home/timo/icculus.org/loki_setup/../loki_setupdb/x86/libsetupdb.a -L/usr/local/lib -L/usr/X11R6/lib /usr/lib/libxml.a  -lz -lm  -lcurses -static
/usr/bin/ld: cannot find -lcurses
collect2: ld returned 1 exit status

TTimo