profile: Fix accepting connections without an associated service

This fixes the flawed logic from the following commit:

commit b669604f43bbbf04ebaa66dd14ad9cfb005e561b
Author: Hsin-Yu Chao <hychao@chromium.org>
Date:   Fri Apr 24 10:36:09 2015 -0700

    src/profile: Set service to connecting in ext_connect
1 file changed