Fix code layout before fixing the function

lib/private/files/mapper.php

@@ -183,8 +183,6 @@ class Mapper
 		$pathElements = explode('/', $path);
 		$sluggedElements = array();
 
-		$last= end($pathElements);
-		
 		foreach ($pathElements as $pathElement) {
 			// remove empty elements
 			if (empty($pathElement)) {
@@ -205,7 +203,6 @@ class Mapper
 				// if filename doesn't contain periods add index ofter the last char
 				array_push($sluggedElements, $last . '-' . $index);
 			}
-
 		}
 
 		$sluggedPath = $this->unchangedPhysicalRoot . implode('/', $sluggedElements);
@@ -218,8 +215,7 @@ class Mapper
 	 * @param string $text
 	 * @return string
 	 */
-	private function slugify($text)
-	{
+	private function slugify($text) {
 		// replace non letter or digits or dots by -
 		$text = preg_replace('~[^\\pL\d\.]+~u', '-', $text);