xterm: add support for 256 colors

[Thomas: make the 256 colors support unconditionally enabled.]

Signed-off-by: Thierry Bultel <tbultel@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/xterm/xterm.mk

@@ -11,5 +11,6 @@ XTERM_DEPENDENCIES = ncurses xlib_libXaw
 XTERM_INSTALL_TARGET_OPTS = DESTDIR=$(TARGET_DIR) install
 XTERM_LICENSE = MIT
 XTERM_LICENSE_FILES = version.c
+XTERM_CONF_OPTS = --enable-256-color
 
 $(eval $(autotools-package))