busybox: fix glibc libresolv dependency for LEDE nslook applet

Fixes d1ba483472 merge: busybox: update CONFIG_NSLOOKUP in busybox config.
Fixes FS#1212.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

package/utils/busybox/Makefile

@@ -101,7 +101,7 @@ ifdef CONFIG_BUSYBOX_CONFIG_PAM
   LDLIBS += pam pam_misc pthread
 endif
 
-ifdef CONFIG_BUSYBOX_DEFAULT_NSLOOKUP_LEDE
+ifdef CONFIG_BUSYBOX_DEFAULT_NSLOOKUP_OPENWRT
   ifeq ($(CONFIG_USE_GLIBC),y)
 	LDLIBS += resolv
   endif