Fix style ci error

Author: jpagny

src/Managers/Theme.php

@@ -214,7 +214,7 @@ public function getFullPath($path)
         $fullPath = $themePath.$assetPath.$path;
 
         if (!file_exists($fullPath) && $themeInfo->has('parent') && !empty($themeInfo->get('parent'))) {
-            $themePath = str_replace(base_path().DIRECTORY_SEPARATOR, '', $this->getThemeInfo($themeInfo->get('parent'))->get('path')).DIRECTORY_SEPARA
+            $themePath = str_replace(base_path().DIRECTORY_SEPARATOR, '', $this->getThemeInfo($themeInfo->get('parent'))->get('path')).DIRECTORY_SEPARATOR;
             $fullPath = $themePath.$assetPath.$path;
 
             return $fullPath;