make sure locale is restored correct in tests

lib/Cake/Test/Case/Model/Datasource/Database/MysqlTest.php

@@ -146,7 +146,7 @@ class MysqlTest extends CakeTestCase {
 	public function testLocalizedFloats() {
 		$this->skipIf(DS === '\\', 'The locale is not supported in Windows and affect the others tests.');
 
-		$restore = setlocale(LC_ALL, null);
+		$restore = setlocale(LC_ALL, 0);
 		setlocale(LC_ALL, 'de_DE');
 
 		$result = $this->Dbo->value(3.141593);
@@ -3505,7 +3505,7 @@ class MysqlTest extends CakeTestCase {
 			->with("UPDATE `$db`.`articles` SET `field1` = 'value1'  WHERE 1 = 1");
 
 		$this->Dbo->expects($this->at(1))->method('execute')
-			->with("UPDATE `$db`.`articles` AS `Article` LEFT JOIN `$db`.`users` AS `User` ON " . 
+			->with("UPDATE `$db`.`articles` AS `Article` LEFT JOIN `$db`.`users` AS `User` ON " .
 				"(`Article`.`user_id` = `User`.`id`)" .
 				" SET `Article`.`field1` = 2  WHERE 2=2");
 
@@ -3538,7 +3538,7 @@ class MysqlTest extends CakeTestCase {
 			->with("DELETE  FROM `$db`.`articles`  WHERE 1 = 1");
 
 		$this->Dbo->expects($this->at(1))->method('execute')
-			->with("DELETE `Article` FROM `$db`.`articles` AS `Article` LEFT JOIN `$db`.`users` AS `User` " . 
+			->with("DELETE `Article` FROM `$db`.`articles` AS `Article` LEFT JOIN `$db`.`users` AS `User` " .
 				"ON (`Article`.`user_id` = `User`.`id`)" .
 				"  WHERE 1 = 1");
 

lib/Cake/Test/Case/Model/Datasource/Database/PostgresTest.php

@@ -344,7 +344,7 @@ class PostgresTest extends CakeTestCase {
  * @return void
  */
 	public function testLocalizedFloats() {
-		$restore = setlocale(LC_ALL, null);
+		$restore = setlocale(LC_ALL, 0);
 		setlocale(LC_ALL, 'de_DE');
 
 		$result = $this->db->value(3.141593, 'float');

lib/Cake/Test/Case/Model/ModelWriteTest.php

@@ -6253,7 +6253,7 @@ class ModelWriteTest extends BaseModelTest {
  * @return void
  */
 	public function testWriteFloatAsGerman() {
-		$restore = setlocale(LC_ALL, null);
+		$restore = setlocale(LC_ALL, 0);
 		setlocale(LC_ALL, 'de_DE');
 
 		$model = new DataTest();