bitcoin/bitcoin — pull request #5074 by theuni (2014-10-10 17:10:18+00:00)
Title: rpc-tests: don't spew non-errors to stdout

Very minor fix necessary before adding rpc tests to travis.

There's a brief race here, the process might've already exited and cleaned up
after itself. If that's the case, reading from the pidfile will harmlessly
fail. Keep those quiet.