Update sql-database-spark-connector.md

Appending missing comma

Author: KalyanChanumolu-MSFT

articles/sql-database/sql-database-spark-connector.md

@@ -59,7 +59,7 @@ import com.microsoft.azure.sqldb.spark.connect._
 val config = Config(Map(
   "url"            -> "mysqlserver.database.windows.net",
   "databaseName"   -> "MyDatabase",
-  "dbTable"        -> "dbo.Clients"
+  "dbTable"        -> "dbo.Clients",
   "user"           -> "username",
   "password"       -> "*********",
   "connectTimeout" -> "5", //seconds
@@ -97,7 +97,7 @@ import com.microsoft.azure.sqldb.spark.connect._
 val config = Config(Map(
   "url"          -> "mysqlserver.database.windows.net",
   "databaseName" -> "MyDatabase",
-  "dbTable"      -> "dbo.Clients"
+  "dbTable"      -> "dbo.Clients",
   "user"         -> "username",
   "password"     -> "*********"
 ))