Fixing soft tabs in a few files.
diff --git a/system/libraries/Cache/Cache.php b/system/libraries/Cache/Cache.php
index 269bf9b..c296fa7 100644
--- a/system/libraries/Cache/Cache.php
+++ b/system/libraries/Cache/Cache.php
@@ -155,7 +155,7 @@
 	 * @return 	void
 	 */
 	private function _initialize($config)
-	{        
+	{
 		$default_config = array(
 				'adapter',
 				'memcached'
diff --git a/system/libraries/Form_validation.php b/system/libraries/Form_validation.php
index 918f690..3f53232 100644
--- a/system/libraries/Form_validation.php
+++ b/system/libraries/Form_validation.php
@@ -746,7 +746,7 @@
 		}
 
 		// If the data is an array output them one at a time.
-		//     E.g: form_input('name[]', set_value('name[]');
+		//	E.g: form_input('name[]', set_value('name[]');
 		if (is_array($this->_field_data[$field]['postdata']))
 		{
 			return array_shift($this->_field_data[$field]['postdata']);
@@ -969,7 +969,7 @@
 			return $query->num_rows() === 0;
 		}
 		return FALSE;
-    }
+	}
 
 	// --------------------------------------------------------------------