[ticket/12458] Apply Squiz.WhiteSpace.SuperfluousWhitespace.* to legacy code.

* There MUST NOT be trailing whitespace at the end of lines.
* There MUST NOT be whitespace before the first content of a file.
* There MUST NOT be whitespace after the last content of a file.
* Functions MUST NOT contain multiple empty lines in a row.

PHPBB3-12458

phpBB/includes/acp/acp_php_info.php

@@ -81,7 +81,7 @@ class acp_php_info
 
 		$template->assign_var('PHPINFO', $output);
 	}
-	
+
 	function remove_spaces($matches)
 	{
 		return '<a name="' . str_replace(' ', '_', $matches[1]) . '">';