Revert "don't hide _nres, necessary for nslookup in busybox."

This reverts commit 0aa56a2ed38e470259b0fcbfc7ba4387149b81db.

Fixed in busybox : http://review.cyanogenmod.com/10762

should be reverted to keep aosp compatibility

Change-Id: I173f0a5cffd8f39ea70bee30a3490e04bbfabf19
1 file changed