Fix indentation.

Author: bgrainger

src/MySqlConnector/MySqlClient/MySqlConnection.cs

@@ -93,8 +93,7 @@ public override void EnlistTransaction(System.Transactions.Transaction transacti
 		private async Task ChangeDatabaseAsync(IOBehavior ioBehavior, string databaseName, CancellationToken cancellationToken)
 		{
 			if (string.IsNullOrWhiteSpace(databaseName))
-			throw new ArgumentException("Database name is not valid.", nameof(databaseName));
-
+				throw new ArgumentException("Database name is not valid.", nameof(databaseName));
 			if (State != ConnectionState.Open)
 				throw new InvalidOperationException("Connection is not open.");