Cleanup: relayd: identical code for different branches

Coverity report:
  CID 1404928 (#1 of 1): Identical code for different branches
  (IDENTICAL_BRANCHES)identical_branches: The same code is executed when
  the condition ret < 0 is true or false, because the code in the if-then
  branch and after the if statement is identical. Should the if statement
  be removed?

Reported-by: Coverity (1404928) Identical code for different branches
Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>