Remove "if (auto ret = " treated as unused by some compilers

It's not good form to have a variable that's created and used only once
in the same line anyway, so the compilers that flag it are probably in
the right.

Test: netd_benchmark
Bug: 29748723
Change-Id: Idfa51a8ffb11b70f18a3c4afafc59f1910f48a83
1 file changed
tree: b4a927349c957c266945acde8851f20f6a0de30e
  1. client/
  2. include/
  3. server/
  4. tests/
  5. Android.mk
  6. MODULE_LICENSE_APACHE2
  7. NOTICE