Added brackets around database name in MS SQL driver when selecting the database, in the event that reserved characters are used in the name (bug report: 4915)
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index fbc0701..6130bf4 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -76,7 +76,9 @@
 	 */	

 	function db_select()

 	{

-		return @mssql_select_db($this->database, $this->conn_id);

+		// Note: The brackets are required in the event that the DB name

+		// contains reserved characters

+		return @mssql_select_db('['.$this->database.']', $this->conn_id);

 	}

 

 	// --------------------------------------------------------------------