Removed tab on empty line too.
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index bb20c84..9185adf 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -186,7 +186,7 @@
 	{
 		// Note: We use strings, so that timestamp versions work on 32-bit systems
 		$current_version = $this->_get_version();
-		
+
 		if ($this->_migration_type === 'sequential')
 		{
 			$target_version = str_pad($target_version, 3, '0', STR_PAD_LEFT);