style: fix style to match standard

index.js

@@ -11,7 +11,7 @@ var semver = require('semver')
 var util = require('util')
 var objectAssign = require('object-assign')
 
-module.exports = function standardVersion(argv, done) {
+module.exports = function standardVersion (argv, done) {
   var pkgPath = path.resolve(process.cwd(), './package.json')
   var pkg = require(pkgPath)
   var defaults = require('./defaults')
@@ -48,7 +48,7 @@ module.exports = function standardVersion(argv, done) {
   })
 }
 
-function bumpVersion(manual, callback) {
+function bumpVersion (manual, callback) {
   if (!manual) {
     conventionalRecommendedBump({
       preset: 'angular'
@@ -62,7 +62,7 @@ function bumpVersion(manual, callback) {
   }
 }
 
-function outputChangelog(argv, cb) {
+function outputChangelog (argv, cb) {
   createIfMissing(argv)
   var header = '# Change Log\n\nAll notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.\n'
   var oldContent = fs.readFileSync(argv.infile, 'utf-8')