firewalld: Make FirewallService non-copyable.

BUG=chromium:435400
TEST=Compile.

Change-Id: I33e38edc215b8544b56f88ecbb389dc4c1232363
Reviewed-on: https://chromium-review.googlesource.com/233283
Commit-Queue: Jorge Lucangeli Obes <jorgelo@chromium.org>
Tested-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
1 file changed