ndisc6: only needs gettext if locale is selected

Also add missing select in Config.in.

Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/ndisc6/Config.in

@@ -4,6 +4,7 @@ comment "ndisc6 requires a toolchain with IPv6 support"
 config BR2_PACKAGE_NDISC6
 	bool "ndisc6 tools"
 	depends on BR2_INET_IPV6
+	select BR2_PACKAGE_GETTEXT if BR2_NEEDS_GETTEXT_IF_LOCALE
 	help
 	  NDisc6 is a small collection of useful tools for IPv6 networking
 

package/ndisc6/ndisc6.mk

@@ -10,7 +10,7 @@ NDISC6_SITE = http://www.remlab.net/files/ndisc6/
 NDISC6_CONF_ENV = CC="$(TARGET_CC) -std=gnu99"
 NDISC6_CONF_OPT = --localstatedir=/var --disable-rpath --disable-suid-install
 
-ifeq ($(BR2_PACKAGE_GETTEXT),y)
+ifeq ($(BR2_NEEDS_GETTEXT_IF_LOCALE),y)
 NDISC6_DEPENDENCIES += gettext
 NDISC6_CONF_ENV += LDFLAGS="$(TARGET_LDFLAGS) -lintl"
 endif