[sqlserver] Ensure version table in provided schema

Closes #839

Author: alex-kuck

database/sqlserver/sqlserver.go

@@ -365,10 +365,10 @@ func (ss *SQLServer) ensureVersionTable() (err error) {
 	query := `IF NOT EXISTS
 	(SELECT *
 		 FROM sysobjects
-		WHERE id = object_id(N'[dbo].[` + ss.config.MigrationsTable + `]')
+		WHERE id = object_id(N'[` + ss.config.SchemaName + `].[` + ss.config.MigrationsTable + `]')
 			AND OBJECTPROPERTY(id, N'IsUserTable') = 1
 	)
-	CREATE TABLE ` + ss.config.MigrationsTable + ` ( version BIGINT PRIMARY KEY NOT NULL, dirty BIT NOT NULL );`
+	CREATE TABLE [` + ss.config.SchemaName + `].[` + ss.config.MigrationsTable + `] ( version BIGINT PRIMARY KEY NOT NULL, dirty BIT NOT NULL );`
 
 	if _, err = ss.conn.ExecContext(context.Background(), query); err != nil {
 		return &database.Error{OrigErr: err, Query: []byte(query)}