IFSTest - Update dokan device name for 2.0.0

Author: Adrien JUND

samples/mirror_test.ps1

@@ -89,7 +89,7 @@ $ifstestParameters = @(
 	"-g", "EaInformation"
 	"-g", "FileSystemControlGeneral"       # reason: Retrieval Pointers fsctl not supported
 	"/v",                                  # verbose output
-	"/d", "\Device\Dokan_1"                # Dokan device named need for FileSystemDeviceOpenTest
+	"/d", "\Device\Dokan_2"                # Dokan device named need for FileSystemDeviceOpenTest
 	"/r", "$fsTestPath2"                   # SimpleRenameInformationTest need an extra volum
 	"/u", $ifstest_user,
 	"/U", $ifstest_pass