ncurses: don't build tests

Slows down build.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ncurses/ncurses.mk

@@ -34,6 +34,7 @@ NCURSES_CONF_OPT = \
 	--without-cxx-binding \
 	--without-ada \
 	--without-progs \
+	--without-tests \
 	--disable-big-core \
 	--without-profile \
 	--disable-rpath \