Fix all printf warnings in res_send.c.

Change-Id: I4bf959140b5a5475897bd80704e64e3c4645fc3f
bionic: libc/netbsd: Clean up conflicting types

Commit 0d9c600b left some conflicting types in netbsd

Change-Id: Icdd0a6ec9a084f3628f44d3abd9bad9aab572646
Signed-off-by: Luis Cruz <ljc2491@gmail.com>