client: destroy the ServiceFinder on exit.

ServiceFinder::Construct() creates a new object that was never
destroyed. This small patch ensures the destructor is called on
exit.

BUG=None
TEST=ran p2p-client with valgrind before and after the patch.

Change-Id: Iec21326313c8a129771380f04c31692c5a3c24be
Reviewed-on: https://gerrit.chromium.org/gerrit/63978
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: David Zeuthen <zeuthen@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
1 file changed