Revert "Sqlsrv driver visibility declarations"

This reverts commit b4172695910bf8c0c07933e9baf536d22c9e097a.
diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php
index 6452742..cd061dd 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_forge.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php
@@ -39,10 +39,11 @@
 	/**
 	 * Create database
 	 *
+	 * @access	private
 	 * @param	string	the database name
 	 * @return	bool
 	 */
-	protected function _create_database($name)
+	function _create_database($name)
 	{
 		return "CREATE DATABASE ".$name;
 	}
@@ -52,10 +53,11 @@
 	/**
 	 * Drop database
 	 *
+	 * @access	private
 	 * @param	string	the database name
 	 * @return	bool
 	 */
-	protected function _drop_database($name)
+	function _drop_database($name)
 	{
 		return "DROP DATABASE ".$name;
 	}
@@ -65,9 +67,10 @@
 	/**
 	 * Drop Table
 	 *
+	 * @access	private
 	 * @return	bool
 	 */
-	protected function _drop_table($table)
+	function _drop_table($table)
 	{
 		return "DROP TABLE ".$this->db->_escape_identifiers($table);
 	}
@@ -77,6 +80,7 @@
 	/**
 	 * Create Table
 	 *
+	 * @access	private
 	 * @param	string	the table name
 	 * @param	array	the fields
 	 * @param	mixed	primary key(s)
@@ -84,7 +88,7 @@
 	 * @param	boolean	should 'IF NOT EXISTS' be added to the SQL
 	 * @return	bool
 	 */
-	protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+	function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
 	{
 		$sql = 'CREATE TABLE ';
 
@@ -186,6 +190,7 @@
 	 * Generates a platform-specific query so that a table can be altered
 	 * Called by add_column(), drop_column(), and column_alter(),
 	 *
+	 * @access	private
 	 * @param	string	the ALTER type (ADD, DROP, CHANGE)
 	 * @param	string	the column name
 	 * @param	string	the table name
@@ -195,7 +200,7 @@
 	 * @param	string	the field after which we should add the new field
 	 * @return	object
 	 */
-	protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
+	function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '')
 	{
 		$sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '.$this->db->protect_identifiers($column_name);
 
@@ -237,11 +242,12 @@
 	 *
 	 * Generates a platform-specific query so that a table can be renamed
 	 *
+	 * @access	private
 	 * @param	string	the old table name
 	 * @param	string	the new table name
 	 * @return	string
 	 */
-	protected function _rename_table($table_name, $new_table_name)
+	function _rename_table($table_name, $new_table_name)
 	{
 		// I think this syntax will work, but can find little documentation on renaming tables in MSSQL
 		return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
@@ -250,4 +256,4 @@
 }
 
 /* End of file sqlsrv_forge.php */
-/* Location: ./system/database/drivers/sqlsrv/sqlsrv_forge.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/sqlsrv/sqlsrv_forge.php */