Merge pull request #4511 from arcana261/master

removed trailing comma from mssql connection manager connection config.

lib/dialects/mssql/connection-manager.js

@@ -30,7 +30,7 @@ ConnectionManager.prototype.connect = function(config) {
       /* domain: 'DOMAIN' */
       options: {
         port: config.port,
-        database: config.database,
+        database: config.database
       }
     };