Update main.js

Code review.

electron/main.js

@@ -58,7 +58,7 @@ if (config.get('enable_hidpi_support') && (process.platform === 'win32')) {
 	app.commandLine.appendSwitch('force-device-scale-factor', '1')
 }
 
-app.commandLine.appendSwitch('lang', config.get('locale') === 'en' ? 'en-US' :  config.get('locale'))
+app.commandLine.appendSwitch('lang', config.get('locale') === 'en' ? 'en-US' :  config.get('locale'));
 
 // Because we build it using Squirrel, it will assign UserModelId automatically, so we match it here to display notifications correctly.
 // https://github.com/electron-userland/electron-builder/issues/362