startup file for buildslave broken

/etc/init.d/buildslave broken. line 90 is:
        errors=$( ($errors+1) )
should be:
        errors=$(($errors+1))

additionally, there are numerous instances of the string "buildmaster" which should be "buildslave".

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: buildbot-slave 0.8.8-1
ProcVersionSignature: Ubuntu 3.16.0-50.67~14.04.1-generic 3.16.7-ckt16
Uname: Linux 3.16.0-50-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.15
Architecture: amd64
Date: Thu Oct 8 22:26:56 2015
InstallationDate: Installed on 2015-09-26 (12 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: buildbot-slave
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.buildslave: [modified]
mtime.conffile..etc.default.buildslave: 2015-10-08T22:20:06.895620
mtime.conffile..etc.init.d.buildslave: 2015-10-08T22:23:43.051620