MDL-40137 Whitespace fix

theme/clean/lib.php

@@ -56,7 +56,7 @@ function theme_clean_process_css($css, $theme) {
 
 /**
  * Adds the logo to CSS.
- * 
+ *
  * @param string $css The CSS.
  * @param string $logo The URL of the logo.
  * @return string The parsed CSS
@@ -171,4 +171,4 @@ function clean_set_logo($css, $logo) {
 function clean_set_customcss($css, $customcss) {
     debugging('Please call theme_'.__FUNCTION__.' instead of '.__FUNCTION__, DEBUG_DEVELOPER);
     return theme_clean_set_customcss($css, $customcss);
-}
+}