[ncl/f16] (4 commits) ...Don't link against librx, was causing memory corruption Compile with -fno-strict-aliasing for now

[Orion Poplawski]

Summary of changes:

  3432d3f... Rebuild for new libpng (*)
  99a8571... - Rebuilt for https://fedoraproject.org/wiki/Fedora_17_Mass (*)
  a74bcd8... Add patch to fix xwd driver on 64-bit (bug 839707) (*)
  df059ea... Don't link against librx, was causing memory corruption Com (*)

(*) This commit already existed in another branch; no separate mail sent