Fix compilation with no libc-ares present on the system

This build failure was introduced with the OAP and gtphub changes.
2 files changed
tree: 45fd3cacb16a1ac0e4744d8f3dda3118f43f22db
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. .gitignore