bepFileHandle will leak resource when catch a parse error

[Kila2]

XCBBuildServiceProxyKit/Examples/BazelXCBBuildService/Sources/BazelBuildProcess.swift

Lines 129 to 149 in 9114a41

	while input.hasBytesAvailable {
	do {
	let event = try BinaryDelimited.parse(messageType: BuildEventStream_BuildEvent.self, from: input)
	logger.trace("Received BEP event: \(event)")
	bepHandler(event)
	if event.lastMessage {
	logger.trace("Received last BEP event")
	bepFileHandle.closeFile()
	bepFileHandle.readabilityHandler = nil
	}
	} catch {
	logger.error("Failed to parse BEP event: \(error)")
	return
	}
	}
	}
	}

[brentleyjones]

Please open a PR if you know the fix! I'm a bit busy right now, so it will be difficult for me to make the change myself, but I can review and merge PRs.